Engince crash when "Play" button clicked

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Whan I am trying to click the “Play” button the engine is crashing.

The Log file is attached:

Looks like you are accessing a null pointer in your TickComponent function for the class UOpenDoor.


My first guess would be that the culprit is your opendoor.cpp

Error: [Callstack] 0x000000008CD42468 UE4Editor-BuildingEscape.dll!UOpenDoor::TickComponent() [d:\udk\projects\buildingescape\source\buildingescape\opendoor.cpp:42]

Double check your code, you could also try deleting actors in an attempt to narrow down the problem.

Hope that helps,