Thread:Extension talk:MsUpload/Bad RequestBad Requestunknown function SpecialUpload::ajaxGetExistsWarning

Mediawiki 1.23 trying to get Extension:MsUpload to work

Any suggestions why I get this error?

SOLUTION:

Download MsUpload_9.5.1.zip Version 9.5.1 (MW 1.20 - 1.22)

http://www.ratin.de/msupload.html