MediaWiki:No-null-revision/qqq

Error message shown when no null revision could be created to reflect a protection level change.

About "null revision":
 * Create a new null-revision for insertion into a page's history. This will not re-save the text, but simply refer to the text from the previous version.
 * Such revisions can for instance identify page rename operations and other such meta-modifications.

Parameters:
 * $1 - page title