I began to experience few problems after i updated client javascript libraries to version 5.0!

Even i suspended all client popup messages, for some unknown reason i began to receive some strange message:
ER Item names should be alphanumeric(underscore, caret and dot also allowed) GroupListDescriptor

I checked all my schema/group subscriptions and they don't contain any underscore, caret or dot. I don't know why i am getting this type of error. The server log shows that i was subscribed to "item_name_error" which is from LS client js libraries.