I have the latest ME for UE/PE.

In the past this mod ran with no problems (an older version)...
anyway, I can load single missions etc ... but when I want to edit the next assigned Campaign mission, the ME just hangs at "loading mission file..." for ever!!

make mistakes and learn from them

I5 4440 3.1Ghz, Asrock B85m Pro3, Gtx 1060 3GB