Git should not effect compile process, or else source files are placed wrongly by the git. Open VS project (sln file) and do rebuild the solution, if that does not work delete intermediate directory from project directory and regenerate VS project files (as some of files are in that deleted directory and need to be regenerated)
e:\files\murderminersx project\mmx git\mmx\source\mmx\mapmaker\MapObjectType.h(5): error C2065: 'BlueprintType': undeclared identifier
Sounds like USTRUCT or UCLASS macros deceleration are missing or misspelled, check if includes are correct