View Full Version : Error in extjs 4.0

28 Jul 2013, 9:07 PM
Message: '$isClass' is null or not an object
Line: 18
Char: 7170
Code: 0

31 Jul 2013, 4:37 PM
I'm afraid this is not enough to go on. Can you provide a code snippet that produces the error?
Also, is the issue really in 4.0? If so, can you try in a new version (4.2.1 being the current stable release) and see if you still see the issue?