I am getting this error "Uncaught TypeError: Cannot read property 'RmsSupportedExtensions' of undefined" from the file "core.js" in the "MasterPage Gallery", "List Template Gallery","WebPart Gallery" when i try to select a document/item in that gallery. And the ribbon options under "Files" & "Library" tabs were disabled and not letting me to publish the pages that are inside masterpage gallary even though i am a site collection administrator. I am struggling with this issue from last couple of days?
Can anyone please help me in resolving this issue?
Thanks
Sai.
SaiRatna Avala