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Compilation Error

Hi everyone!

I have a plugin that is working in one project, say Project A, i.e. i am able to compile and run the project with the plugin loaded. When compiling in VS, I will see the following in the output log.

 2>  Module.MyPlugin.cpp
 2>  Module.MyPlugin.gen.cpp

However, in another project, say Project B, where i copied my plugin into, I get the following when compiling in VS.

 2>  Module.MyPlugin.cpp
 2>  MyGame.cpp
 2>  MyPlugin.generated.2.cpp
 2>  MyPlugin.generated.1.cpp
 2>  MyGameGameModeBase.cpp
 2>  MyGame.generated.cpp

Right under these lines I will see

 error C2275: 'FString': illegal use of this type as an expression
 error C2065: 'Z_Param_Out_IdsToSpawn': undeclared identifier
 error C3861: 'P_GET_TMAP_REF': identifier not found

These errors are pointing to the line where GENERATED_BODY() of the class that has the error.

The only issue that I could think of was that project A is using 4.17 while project B is using 4.16, but after switching engine version for project B, the same error shows up. Does anyone have any idea what could be the issue here?

Product Version: UE 4.16
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asked Oct 20 '17 at 07:41 AM in C++ Programming

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WeiLiang
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