This is a tracking categoryIt 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. They are not part of the encyclopedia's categorization scheme.
|This category is used to categorize by the Module:Citation/CS1/Configuration module.|
|Administrators: Please do not delete this category even if it is empty!|
This category may be empty occasionally or even most of the time.
This is a tracking category for CS1 periodical citations that do not have a periodical parameter.
Cite <template> requires
These CS1 periodical templates require a periodical parameter. The periodical templates are:
The error message suggests a periodical parameter that matches the template, but there is no requirement to use the suggested parameter; any one of these periodical parameters may be used:
Pages with this error are automatically placed in Category:CS1 errors: missing periodical.[a]