Ever since upgrading to the W03 Slim ROM (V8 and then V9) on my Samsung Galaxy Note II (i317m on Telus) Google+ has kept stopping on me. Also, the Photos app would also not work with either the "Google+ has stopped" message or a "android.process.media has stopped".
I finally found the solution in the following thread:
Which is also a KitKat ROM.
The solution is to go to Settings>Storage and unmount and then mount the SD Card.
Ever since I have done that I can use the Photos app as well as Google+