Tag: doc-base-file-references-missing-file
Severity: error
Check: menus
Explanation: One of the files mentioned in an <code>Index</code> or
 <code>Files</code> field in this <code>doc-base</code> control file
 does not exist in the package.
 .
 This issue can occur when installable packages attempt to register
 documentation that is actually shipped in a related package.