We installed the semantic media wiki plug-in ( on a media wiki (1.6.5). Everything's fine, but if we enable "NamespacePermissions" extensions we are unable to create any Attributes manually, but rest of the semantic wiki functionality seems to work. Disabling "NamespacePermissions" extensions makes the whole thing work.

What are the known collisions between (namespace) extensions and the semantic media wiki plug-in?

Best regards,