I have spent some time migrating, and deleting intermediate and saved folders. But still no luck. It seems to break at this point :
Assertion failed: IsValid() [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 728]
Then follows up with some phys x errors :
Really need some help on this one, been working for almost 2 years on this.