in my mediawiki installation if i try to update or create a page that
contain tables with header (!)
https://www.mediawiki.org/wiki/Help:Tables#Table_headers
i receive this error:
403 Forbidden
You do not have permission to access this document.
The Web Server
in the past i have created and modified many page with table header without
any problem.
i think that this problem came from a mediawiki update or hosting provider
software update.
any solution?