This is a tracking category for CS1 citations that have Standard Book Number (SBN) errors.
This is a tracking category. It is used to build and maintain lists of pages—primarily for the sake of the lists themselves and their use in article and category maintenance. It is not part of the encyclopedia's categorization scheme. |
Administrators: Please do not delete this category as empty! This category may be empty occasionally or even most of the time. |
Check |sbn=
value:
Citation Style 1 and Citation Style 2 templates that contain |sbn=
are checked to ensure that the SBN is the proper length (nine digits), that the SBN uses the correct optional separators (simple space or hyphen), and that the final check digit is correct according to the SBN specification. Only one SBN is allowed in this field because the whole |sbn=
value is included in the citation's COinS metadata. See also Wiki: COinS. More than one SBN, or characters that are not part of the SBN, corrupt the COinS metadata and may also corrupt the link to Special:BookSources.
The error message
To resolve this error, ensure that the |sbn=
value is correct, that only one SBN is used, that the proper optional separators are used, and that no other text is included. If the check digit is a lowercase 'x', change it to an uppercase 'X'.
In very rare cases, publishers have released books with malformed SBNs. If you are certain that a non-conforming SBN truly corresponds to the published work, then you can add accept-this-as-written markup around the identifier to suppress the error message. In many cases, books may have been reissued with a corrected SBN. Use a corrected SBN when possible.
Pages with this error are automatically placed in Category:CS1 errors: SBN.
This category contains only the following page. This list may not reflect recent changes.