Thread:Talk:Semantic Bundle/Upgrade to 1.22.1 make SMW give a fatal error on editing pages/reply

The same question, or one very similar to it, has been asked on the SMW mailing list. See http://wikimedia.7.x6.nabble.com/SMW-Critical-Bug-Incompatibility-with-new-MW-1-22-1-release-td5020034.html