I don't know much about MediaWiki. It seems that TKL MediaWiki includes MediaWiki from the Debian package repo. Is it possible that the version of MediaWiki in the TKL appliance is too old to handle that? Is it a feature that has been included in the last few years?
If so, perhaps test the new version (it's built on a newer version of Debian so will include a newer version of MediaWiki). V13.0rc3 should be available on TKL's SourceForge site.
I'm not sure
I don't know much about MediaWiki. It seems that TKL MediaWiki includes MediaWiki from the Debian package repo. Is it possible that the version of MediaWiki in the TKL appliance is too old to handle that? Is it a feature that has been included in the last few years?
If so, perhaps test the new version (it's built on a newer version of Debian so will include a newer version of MediaWiki). V13.0rc3 should be available on TKL's SourceForge site.