C/C++ debug|armeabi-v7a : CMake Error at ..cocos2d/cocos/CMakeLists.txt:120 (add_library)

C/C++ debug|armeabi-v7a : CMake Error at ..cocos2d/cocos/CMakeLists.txt:120 (add_library)
0

I have the following error in android enviroment:

/…/mobile/app/CMakeLists.txt : C/C++ debug|armeabi-v7a : CMake Error at /…/mobile/app/cocos2d/cocos/CMakeLists.txt:120 (add_library):
Cannot find source file:

2d/.cpp

Tried extensions .c .C .c++ .cc .cpp .cxx .m .M .mm .h .hh .h++ .hm .hpp
.hxx .in .txx

If any have idea please reply me