Thread:Project:Support desk/Upgrade = Invalid callback SpecialMyLanguage/reply

Hi!

It seems like this error message is caused by the Extension:Translate. is about the same problem. Upgrading this extension should help! Although I have not found an according commit in the commit log, using the newest code from https://git.wikimedia.org/log/mediawiki%2Fextensions%2FTranslate.git/refs%2Fheads%2FREL1_25 should get you going.