EPUBCheck berichten uitgelegd

EPUBCheck rapporteert elk probleem in een EPUB als een code zoals RSC-005 of OPF-014 met een ernst. Deze verwijzing lijst alle 246 berichten van EPUBCheck 5.4.0 met hun officiële tekst, en legt oorzaken en oplossingen uit voor 188 daarvan.

Bijgewerkt: 4 november 2026

Ernstigheden

Fatale fout: EPUBCheck kon deze sectie van de EPUB niet verder controleren. Het bestand is ongeldig.
Fout: De EPUB overtreedt een regel van de specificatie en is ongeldig. Opslaan en Verzenden naar Kindle kunnen het afwijzen, en EPUBCheck verlaat met status 1.
Waarschuwing: De EPUB is nog steeds geldig, maar iets veroorzaakt waarschijnlijk problemen in sommige lees-apps. EPUBCheck verlaat met 0, tenzij je --failonwarnings doorgeeft.
Gebruik: Alleen informatief en standaard verborgen: het verschijnt wanneer EPUBCheck draait met -u (--usage). Het maakt de EPUB niet ongeldig.
Informatie: Alleen informatief. Het maakt de EPUB niet ongeldig.
Onderdrukt: EPUBCheck rapporteert dit bericht standaard niet. Het verschijnt alleen als een aangepast berichtenbestand (-c) de ernst wijzigt.

PKG: Pakket en ZIP-container

Het EPUB bestand zelf: het ZIP-archief, het mimetype-bestand, bestandsnamen en extensies.

Code	Standaard ernst	Bericht
`PKG-001`	Waarschuwing	Validating the EPUB against version … but detected version ….
`PKG-003`	Fout	Unable to read EPUB file header. This is likely a corrupted EPUB file.
`PKG-004`	Fatale fout	Corrupted EPUB ZIP header.
`PKG-005`	Fout	The mimetype file has an extra field of length …. The use of the extra field feature of the ZIP format is not permitted for the mimetype file.
`PKG-006`	Fout	Mimetype file entry is missing or is not the first file in the archive.
`PKG-007`	Fout	The content of the mimetype file must be the string "application/epub+zip"…
`PKG-008`	Fatale fout	Unable to read file "…".
`PKG-009`	Fout	The file name "…" contains characters that are not allowed in OCF file names: ….
`PKG-010`	Waarschuwing	The file name "…" contains spaces, which may create interoperability issues with older reading systems.
`PKG-011`	Fout	The file name "…" is not allowed to end with ".".
`PKG-012`	Gebruik	The file name "…" contains non-ASCII characters, which might create interoperability issues with older reading systems.
`PKG-013`	Fout	The EPUB file includes multiple OPS renditions.
`PKG-014`	Waarschuwing	The EPUB contains empty directory "…".
`PKG-015`	Fatale fout	Unable to read EPUB contents: …
`PKG-016`	Waarschuwing	Use only lowercase characters for the EPUB file extension for maximum compatibility.
`PKG-017`	Waarschuwing	Uncommon EPUB file extension.
`PKG-018`	Fatale fout	The EPUB file could not be found.
`PKG-020`	Fout	OPF file "…" could not be found.
`PKG-021`	Fout	Corrupted image file encountered.
`PKG-022`	Waarschuwing	Wrong file extension for image. The image is a "…" file but has the file extension "…".
`PKG-023`	Gebruik	Validating the EPUB against version 2.0, default validation profile will be used.
`PKG-024`	Gebruik	Uncommon EPUB file extension.
`PKG-025`	Fout	Publication resource must not be located in the META-INF directory
`PKG-026`	Fout	Obfuscated resource must be a Font Core Media Type (was declared as "…" in "…").
`PKG-027`	Fatale fout	Could not extract EPUB ZIP content, probably due to file names not encoded in UTF-8.

RSC: Hulpmiddelen en verwijzingen

Bestanden en links ertussen: ontbrekende bestanden, gebroken referenties, URL's, coderingen en XML-parsing.

Code	Standaard ernst	Bericht
`RSC-001`	Fout	File "…" could not be found.
`RSC-002`	Fatale fout	Required META-INF/container.xml resource could not be found.
`RSC-003`	Fout	No rootfile tag with media type "application/oebps-package+xml" was found in the container.
`RSC-004`	Informatie	File "…" is encrypted, its content will not be checked.
`RSC-005`	Fout	Error while parsing file: …
`RSC-006`	Fout	Remote resource reference is not allowed in this context; resource "…" must be located in the EPUB container.
`RSC-006b`	Gebruik	Resource "…" is located outside the EPUB Container; please check the resource is retrieved in scripted content.
`RSC-007`	Fout	Referenced resource "…" could not be found in the EPUB.
`RSC-007w`	Waarschuwing	Referenced resource "…" could not be found in the EPUB.
`RSC-008`	Fout	Referenced resource "…" is not declared in the OPF manifest.
`RSC-009`	Waarschuwing	A non-SVG image resource should not be defined with a fragment identifier.
`RSC-010`	Fout	Reference to non-standard resource type found.
`RSC-011`	Fout	Found a reference to a resource that is not a spine item.
`RSC-012`	Fout	Fragment identifier is not defined.
`RSC-013`	Gebruik	Fragment identifier is used in a reference to a stylesheet resource.
`RSC-014`	Gebruik	Fragment identifier defines an incompatible resource type.
`RSC-015`	Gebruik	A fragment identifier is required for svg use tag references.
`RSC-016`	Fatale fout	Fatal Error while parsing file: …
`RSC-017`	Waarschuwing	Warning while parsing file: …
`RSC-019`	Waarschuwing	EPUBs with Multiple Renditions should contain a META-INF/metadata.xml file.
`RSC-020`	Fout	"…" is not a valid URL (…)
`RSC-021`	Fout	A Search Key Map Document must point to Content Documents ("…" was not found in the spine).
`RSC-022`	Informatie	Cannot check image details (requires Java version 7 or higher).
`RSC-024`	Gebruik	Informative parsing warning: …
`RSC-025`	Gebruik	Informative parsing error: …
`RSC-026`	Fout	URL "…" leaks outside the container (it is not a valid-relative-ocf-URL-with-fragment string)
`RSC-027`	Waarschuwing	XML document is encoded in UTF-16. It should be encoded in UTF-8 instead.
`RSC-028`	Fout	XML documents must be encoded in UTF-8, but … was detected.
`RSC-029`	Fout	Data URL is not allowed in this context.
`RSC-030`	Fout	File URLs are not allowed in EPUB, but found "…".
`RSC-031`	Waarschuwing	Remote resource references should use HTTPS, but found "…".
`RSC-032`	Fout	Fallback must be provided for foreign resources, but found none for resource "…" of type "…".
`RSC-033`	Fout	Relative URL strings must not have a query component, but found one in "…".
`RSC-034`	Fout	Scripts must have a JavaScript media type.
`RSC-035`	Gebruik	"…" is a legacy media type for JavaScript. Consider using 'text/javascript' instead.
`RSC-036`	Gebruik	…

OPF: Pakketdocument (OPF)

Het package-document: metadata, manifest, spine, eigenschappen en fallbacks.

Code	Standaard ernst	Bericht
`OPF-001`	Fout	There was an error when parsing the EPUB version: ….
`OPF-002`	Fatale fout	The OPF file "…" was not found in the EPUB.
`OPF-003`	Gebruik	Item "…" exists in the EPUB, but is not declared in the OPF manifest.
`OPF-004`	Waarschuwing	Invalid prefix declaration: leading or trailing whitespace is not allowed.
`OPF-004a`	Fout	Invalid prefix declaration: found empty prefix.
`OPF-004b`	Fout	Invalid prefix "…": must be a valid non-colonized name (aka "NCName").
`OPF-004c`	Fout	Invalid prefix declaration: prefix "…" must be immediately followed by a colon character (":").
`OPF-004d`	Fout	Invalid prefix declaration: prefix "…" must be separated by its URI with a space.
`OPF-004e`	Waarschuwing	Invalid prefix declaration: found illegal whitespace between prefix and URI.
`OPF-004f`	Waarschuwing	Invalid prefix declaration: found illegal whitespace between prefix mappings.
`OPF-005`	Fout	Invalid prefix declaration: URI for prefix "…" doesn’t exist.
`OPF-006`	Fout	Invalid prefix declaration: URI "…" is not a valid URI.
`OPF-007`	Waarschuwing	Re-declaration of reserved prefix "…".
`OPF-007a`	Fout	Invalid prefix mapping: prefix "_" must not be declared.
`OPF-007b`	Fout	Invalid prefix mapping: default vocabulary "…" must not be re-declared.
`OPF-007c`	Fout	Invalid prefix mapping: a prefix to the Dublin Core /elements/1.1/ namespace must not be declared
`OPF-010`	Fout	Error resolving reference: "…".
`OPF-011`	Fout	itemref can’t have both page-spread-right and page-spread-left properties.
`OPF-012`	Fout	Item property "…" is not defined for media type "…".
`OPF-013`	Waarschuwing	Resource "…" is declared with MIME type "…" in content, but has MIME type "…" in the package document.
`OPF-014`	Fout	The property "…" should be declared in the OPF file.
`OPF-015`	Fout	The property "…" should not be declared in the OPF file.
`OPF-016`	Fout	The element "rootfile" is missing its required attribute "full-path".
`OPF-017`	Fout	The attribute "full-path" on element "rootfile" must not be empty.
`OPF-018`	Waarschuwing	The "remote-resources" property was declared in the Package Document, but no reference to remote resources has been found.
`OPF-018b`	Gebruik	The "remote-resources" property was declared in the Package Document, but no reference to remote resources has been found; please check scripted content to make sure the property is legit.
`OPF-021`	Waarschuwing	Use of non-registered URI scheme type in href: "…".
`OPF-025`	Fout	Property value list "…" is not allowed, only one value must be specified.
`OPF-026`	Fout	Found malformed property value: "…".
`OPF-027`	Fout	Undefined property: "…".
`OPF-028`	Fout	Undeclared prefix: "…".
`OPF-029`	Fout	The file "…" does not appear to match the media type …, as specified in the OPF file.
`OPF-030`	Fout	The unique-identifier "…" was not found.
`OPF-031`	Fout	File listed in reference element in guide was not declared in OPF manifest: ….
`OPF-032`	Fout	Guide references "…" which is not a valid "OPS Content Document".
`OPF-033`	Fout	The spine contains no linear resources.
`OPF-034`	Fout	The spine contains multiple references to the manifest item with id "…".
`OPF-035`	Waarschuwing	Media type "text/html" is not appropriate for XHTML/OPS.
`OPF-036`	Gebruik	Video type "…" might not be supported by reading systems
`OPF-037`	Waarschuwing	Found deprecated media-type "…".
`OPF-038`	Waarschuwing	Media type "…" is not appropriate for an OEBPS 1.2 context; Use "text/x-oeb1-document" instead.
`OPF-039`	Waarschuwing	Media-type "…" is not appropriate in an OEBPS 1.2 context. Use "text/x-oeb1-css" instead.
`OPF-040`	Fout	Fallback item with id "…" could not be found.
`OPF-041`	Fout	Fallback-style item with id "…" could not be found.
`OPF-042`	Fout	"…" is not a permissible spine media-type.
`OPF-043`	Fout	Spine item with non-standard media-type "…" has no fallback.
`OPF-044`	Fout	Spine item with non-standard media-type "…" has no EPUB content document fallback.
`OPF-045`	Fout	Encountered circular reference in fallback chain.
`OPF-047`	Gebruik	OPF file is using OEBPS 1.2 syntax allowing backwards compatibility.
`OPF-048`	Fout	Package tag is missing its required unique-identifier attribute and value.
`OPF-049`	Fout	Item id "…" was not found in the manifest.
`OPF-050`	Fout	TOC attribute references resource with non-NCX mime type; "application/x-dtbncx+xml" is expected.
`OPF-051`	Onderdrukt	Image dimensions exceed recommended size.
`OPF-052`	Fout	Role value "…" is not valid.
`OPF-053`	Waarschuwing	Date value "…" does not follow recommended syntax as per http://www.w3.org/TR/NOTE-datetime:….
`OPF-054`	Fout	Date value "…" is not valid as per http://www.w3.org/TR/NOTE-datetime:….
`OPF-055`	Waarschuwing	… tag is empty.
`OPF-057`	Onderdrukt	Image file length exceeds recommended size.
`OPF-060`	Fout	Duplicate entry in the ZIP file: "…" (file names must be unique after Unicode canonical normalization and full case folding).
`OPF-062`	Gebruik	Found Adobe page-map attribute on spine element in opf file.
`OPF-063`	Waarschuwing	Referenced Adobe page-map item "…" was not found in the manifest.
`OPF-064`	Informatie	OPF declares type "…", validating using profile "…".
`OPF-065`	Fout	Invalid metadata declaration, probably due to a cycle in "refines" metadata.
`OPF-066`	Fout	Missing "dc:source" or "source-of" pagination metadata. The pagination source must be identified using the "dc:source" and "source-of" properties when the content includes page break markers.
`OPF-067`	Fout	The resource "…" must not be listed both as a "link" element in the package metadata and as a manifest item.
`OPF-070`	Waarschuwing	Custom collection role "…" is an invalid URL.
`OPF-071`	Fout	Index collections must only contain resources pointing to XHTML Content Documents.
`OPF-072`	Gebruik	Metadata element "…" is empty.
`OPF-073`	Fout	External identifiers must not appear in the document type declaration.
`OPF-074`	Fout	Package resource "…" is declared in several manifest items.
`OPF-075`	Fout	Preview collections must only point to EPUB Content Documents.
`OPF-076`	Fout	The URI of preview collections link elements must not include EPUB canonical fragment identifiers.
`OPF-077`	Waarschuwing	A Data Navigation Document should not be included in the spine.
`OPF-078`	Fout	An EPUB Dictionary must contain at least one Content Document with dictionary content (epub:type "dictionary").
`OPF-079`	Waarschuwing	Dictionary content was found (epub:type "dictionary"), the Package Document should declare the dc:type "dictionary".
`OPF-080`	Waarschuwing	A Search Key Map document file name should have the extension ".xml".
`OPF-081`	Fout	Resource "…" (referenced from an EPUB Dictionary collection) was not found.
`OPF-082`	Fout	Found an EPUB Dictionary collection containing more than one Search Key Map Document.
`OPF-083`	Fout	Found an EPUB Dictionary collection containing no Search Key Map Document.
`OPF-084`	Fout	Found an EPUB Dictionary collection containing resource "…" which is neither a Search Key Map Document nor an XHTML Content Document.
`OPF-085`	Waarschuwing	"dc:identifier" value "…" is marked as a UUID, but is an invalid UUID.
`OPF-086`	Waarschuwing	Property "…" is deprecated. Consider using … instead.
`OPF-086b`	Gebruik	epub:type value "…" is deprecated. Consider using … instead.
`OPF-086c`	Waarschuwing	the "…" reserved prefix is deprecated.
`OPF-087`	Gebruik	epub:type value "…" is not allowed on documents of type "…".
`OPF-088`	Gebruik	Unrecognized epub:type value "…".
`OPF-089`	Fout	The "alternate" link rel keyword cannot be paired with other keywords.
`OPF-090`	Gebruik	It is encouraged to use MIME media type "…" instead of "…".
`OPF-091`	Fout	The item href URL must not have a fragment identifier.
`OPF-092`	Fout	Language tag "…" is not well-formed: …
`OPF-093`	Fout	The "media-type" attribute is required for linked resources located in the EPUB container
`OPF-094`	Fout	The "media-type" attribute is required for "…" links.
`OPF-095`	Fout	The "media-type" attribute of "voicing" links must be an audio MIME type, but found "…".
`OPF-096`	Fout	Non-linear content must be reachable, but found no hyperlink to "…".
`OPF-096b`	Gebruik	No hyperlink was found to non-linear document "…", please check that it can be reached from scripted content.
`OPF-097`	Gebruik	Resource "…" is listed in the manifest, but no reference to it was found in content documents.
`OPF-098`	Fout	The "href" attribute must reference resources, not elements in the package document, but found URL "…".
`OPF-099`	Fout	The manifest must not list the package document.
`OPF-100`	Gebruik	The "…" property only applies to pre-paginated content.

HTM: XHTML inhoudsdocumenten

De XHTML hoofdstukken: DOCTYPE, entiteiten, namespaces en vast-indeling viewporten.

Code	Standaard ernst	Bericht
`HTM-001`	Fout	Any publication resource that is an XML-based media type must be a valid XML 1.0 document. XML version found: ….
`HTM-002`	Waarschuwing	The installed xml parser doesn’t support xml version verification. Xml files must be a valid XML 1.0 document.
`HTM-003`	Fout	External entities are not allowed in EPUB v3 documents. External entity declaration found: ….
`HTM-004`	Fout	Irregular DOCTYPE: found "…", expected "…".
`HTM-005`	Gebruik	An external reference was found.
`HTM-007`	Waarschuwing	Empty or whitespace-only value of attribute ssml:ph.
`HTM-009`	Fout	The DOCTYPE provided is obsolete or irregular and can be removed.
`HTM-010`	Gebruik	Namespace "…" is unusual for the prefix "epub".
`HTM-011`	Fout	Entity is undeclared.
`HTM-025`	Waarschuwing	Non-registered URI scheme type found in href.
`HTM-044`	Gebruik	Namespace uri "…" was included but not used.
`HTM-045`	Gebruik	Encountered empty href.
`HTM-046`	Fout	Fixed layout document has no "viewport" meta element.
`HTM-047`	Fout	Viewport metadata "…" has a syntax error
`HTM-048`	Fout	SVG Fixed-Layout Documents must have a "viewBox" attribute (on the outermost "svg" element).
`HTM-051`	Waarschuwing	Found Microdata semantic enrichments but no RDFa. EDUPUB recommends using RDFa Lite.
`HTM-052`	Fout	The property "region-based" is only allowed on nav elements in Data Navigation Documents.
`HTM_054`	Fout	Custom attribute namespace ("…") must not include the string "…" in its domain.
`HTM_055`	Gebruik	The "…" element should not be used (discouraged construct)
`HTM_056`	Fout	Viewport metadata has no "…" dimension (both "width" and "height" properties are required)
`HTM_057`	Fout	Viewport "…" value must be a positive number or the keyword "device-…"
`HTM_058`	Fout	HTML documents must be encoded in UTF-8, but UTF-16 was detected.
`HTM_059`	Fout	Viewport "…" property must not be defined more than once, but found values […].
`HTM_060a`	Gebruik	EPUB reading systems must ignore secondary viewport meta elements in fixed-layout documents; viewport declaration "…" will be ignored.
`HTM_060b`	Gebruik	EPUB reading systems must ignore viewport meta elements in reflowable documents; viewport declaration "…" will be ignored.
`HTM_061`	Fout	"…" is not a valid custom data attribute (it must have at least one character after the hyphen, be XML-compatible, and not contain ASCII uppercase letters).
`HTM_062`	Gebruik	SVG "xlink:href" attribute is deprecated; an "href" attribute should be used instead.
`HTM_063`	Gebruik	SVG "xlink:href" attribute value ("…") should be equal to the "href" attribute value ("…").

CSS: Stijlen

CSS-bestanden en stijl elementen: verboden eigenschappen, coderingen, lettertypen en syntaxis.

Code	Standaard ernst	Bericht
`CSS-001`	Fout	The "…" property must not be included in an EPUB Style Sheet.
`CSS-002`	Fout	Empty or NULL reference found.
`CSS-003`	Waarschuwing	CSS document is encoded in UTF-16. It should be encoded in UTF-8 instead.
`CSS-004`	Fout	CSS documents must be encoded in UTF-8, detected …;
`CSS-005`	Gebruik	Conflicting alternate style tags found: ….
`CSS-006`	Gebruik	CSS selector specifies fixed position.
`CSS-007`	Informatie	Font-face reference "…" refers to non-standard font type "…".
`CSS-008`	Fout	An error occurred while parsing the CSS: ….
`CSS-015`	Fout	Alternative style sheets must have a title.
`CSS-019`	Waarschuwing	CSS font-face declaration has no attributes.
`CSS-028`	Gebruik	Use of Font-face declaration.
`CSS-029`	Gebruik	Found CSS class name "…" but no "…" property was declared in the package document.
`CSS-030`	Fout	The package document declares media overlays styling class names but no CSS was found in the content document.

NAV: Navigatiedocument

De EPUB 3 inhoudsopgave, paginalijst en mijlpalen.

Code	Standaard ernst	Bericht
`NAV-001`	Fout	The nav file is not supported for EPUB v2.
`NAV-003`	Fout	The Navigation Document must have a page list when content document(s) contain page breaks (epub:type="pagebreak").
`NAV-004`	Gebruik	The Navigation Document should contain the full document heading hierarchy in EDUPUB.
`NAV-005`	Gebruik	Content documents contain "audio" elements but the Navigation Document does not have a listing of audio clips (epub:type="loa").
`NAV-006`	Gebruik	Content documents contain "figure" elements but the Navigation Document does not have a listing of figures (epub:type="loi").
`NAV-007`	Gebruik	Content documents contain "table" elements but the Navigation Document does not have a listing of tables (epub:type="lot").
`NAV-008`	Gebruik	Content documents contain "video" elements but the Navigation Document does not have a listing of video clips (epub:type="lov").
`NAV-009`	Fout	Region-based navigation links must point to Fixed-Layout Documents.
`NAV-010`	Fout	"…" nav must not link to remote resources; found link to "…".
`NAV-011`	Waarschuwing	"…" nav must be in reading order; link target "…" is before the previous link’s target in … order.

NCX: NCX (EPUB 2 inhoudsopgave)

De legacy NCX inhoudsopgave.

Code	Standaard ernst	Bericht
`NCX-001`	Fout	NCX identifier ("…") does not match OPF identifier ("…").
`NCX-004`	Gebruik	NCX identifier ("dtb:uid" metadata) should not contain leading or trailing whitespace.
`NCX-006`	Gebruik	Empty "text" label in the NCX document

MED: Afbeeldingen, audio en media overlays

Afbeeldingsformaten en headers, en gesynchroniseerde audio (media overlays).

Code	Standaard ernst	Bericht
`MED-003`	Fout	Picture "img" elements must reference core media type resources, but found resource "…" of type "…".
`MED-004`	Fout	Image file header may be corrupted.
`MED-005`	Fout	Media Overlay audio reference … to non-standard audio type … found.
`MED-008`	Fout	The time specified in the clipBegin attribute must not be after clipEnd.
`MED-009`	Fout	The time specified in the clipBegin attribute must not be the same as clipEnd.
`MED_007`	Fout	Picture "source" elements must define a "type" attribute when they reference foreign resources; found resource "…" of type "…".
`MED_010`	Fout	EPUB Content Documents referenced from a Media Overlay must specify the "media-overlay" attribute.
`MED_011`	Fout	EPUB Content Document referenced from multiple Media Overlay Documents.
`MED_012`	Fout	The "media-overlay" attribute does not match the ID of the Media Overlay that refers to this document.
`MED_013`	Fout	Media Overlay Document referenced from the "media-overlay" attribute does not contain a reference to this Content Document.
`MED_014`	Fout	Media overlay audio file URLs must not have a fragment, but found '#…'.
`MED_015`	Gebruik	Media overlay text references must be in reading order. Text target "…" is before the previous link target in … order.
`MED_016`	Waarschuwing	Media Overlays total duration should be the sum of the durations of all Media Overlays documents.
`MED_017`	Waarschuwing	URL fragment should indicate an element ID, but found '#…'.
`MED_018`	Waarschuwing	URL fragment should be an SVG fragment identifier, but found '#…'.

ACC: Toegankelijkheid

Toegankelijkheidscontroles op inhouddocumenten (de meeste worden standaard onderdrukt).

Code	Standaard ernst	Bericht
`ACC-004`	Onderdrukt	Html "a" element must have text.
`ACC-005`	Onderdrukt	Table heading cells should be identified by "th" elements for accessibility.
`ACC-006`	Onderdrukt	Tables should include a "thead" element for accessibility.
`ACC-007`	Onderdrukt	Content Documents do not use "epub:type" attributes for semantic inflection.
`ACC-009`	Gebruik	MathML should either have an "alttext" attribute or "annotation-xml" child element.
`ACC-011`	Gebruik	SVG hyperlink has no accessible name
`ACC-012`	Onderdrukt	Table elements should include a caption element.

OBS: Verouderde functies

Functies die nog werken maar verouderd zijn.

Code	Standaard ernst	Bericht
`OBS-001`	Gebruik	Usage of … is outdated.

INF: Informatie

Aantekeningen over EPUBCheck zelf.

Code	Standaard ernst	Bericht
`INF-001`	Informatie	Rule … is under review and its severity may change in a future release. See the discussion at …

CHK: EPUBCheck configuratie

Problemen met EPUBCheck's eigen aangepaste berichtbestand, niet met de EPUB.

Code	Standaard ernst	Bericht
`CHK-001`	Fout	The custom message overrides file was not found.
`CHK-002`	Fout	Unrecognized custom message id … encountered in message overrides file "…".
`CHK-003`	Fout	Unrecognized custom message severity "…" encountered in message overrides file "…".
`CHK-004`	Fout	The custom message contains too many parameters in message overrides file "…".
`CHK-005`	Fout	The custom suggestion contains too many parameters in message overrides file "…".
`CHK-006`	Fout	Unable to parse the custom format parameter in message overrides file "…".
`CHK-007`	Fout	Error encountered while processing custom message file "…": "…".
`CHK-008`	Fout	Error encountered while processing an item "…"; skip other checks for the item.

Afgekeurde bericht-ID's

Deze ID's bestaan nog steeds in de EPUBCheck's lijst van berichten, maar hebben geen tekst en worden standaard onderdrukt, zodat EPUBCheck ze nooit rapporteert, tenzij een aangepast berichtenbestand ze inschakelt.

ACC-001, ACC-002, ACC-003, ACC-008, ACC-010, ACC-013, ACC-014, ACC-015, ACC-016, ACC-017, CSS-009, CSS-010, CSS-011, CSS-012, CSS-013, CSS-016, CSS-017, CSS-020, CSS-021, CSS-022, CSS-023, CSS-024, CSS-025, HTM-006, HTM-008, HTM-012, HTM-013, HTM-014, HTM-014a, HTM-015, HTM-016, HTM-017, HTM-018, HTM-019, HTM-020, HTM-021, HTM-022, HTM-023, HTM-024, HTM-027, HTM-028, HTM-029, HTM-033, HTM-036, HTM-038, HTM-049, HTM-050, HTM_053, MED-001, MED-002, MED_006, NAV-002, NCX-002, NCX-003, NCX-005, OPF-008, OPF-009, OPF-019, OPF-020, OPF-046, OPF-056, OPF-058, OPF-059, OPF-068, OPF-069, RSC-018, RSC-023, SCP-001, SCP-002, SCP-003, SCP-004, SCP-005, SCP-006, SCP-007, SCP-008, SCP-009, SCP-010

Bron en licentie

Berichtteksten en standaard ernst komen van EPUBCheck 5.4.0, de EPUB validator van de W3C, uitgebracht onder de BSD-3-Clause licentie. Copyright © 2007 Adobe Systems Incorporated. Copyright © 2008 IDPF. Copyright © 2017 W3C (MIT, ERCIM, Keio, Beihang). github.com/w3c/epubcheck

Oorzaken en oplossingen zijn geschreven door EpubCC. Codes zonder uitleg tonen alleen de officiële boodschap en worden niet aangeboden aan zoekmachines totdat we er één schrijven. EpubCC is niet verbonden met de W3C.