Help! LogPlayLevel: ERROR: SetCurrentContext eglMakeCurrent failed : 0x300d

help!

LogPlayLevel: Assertion failed: Result == 1 [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/OpenGLDrv/Private/Android/AndroidEGL.cpp] [Line: 241]

LogPlayLevel: ERROR: SetCurrentContext eglMakeCurrent failed : 0x300d

LogPlayLevel: Assertion failed: Result == 1 [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/OpenGLDrv/Private/Android/AndroidEGL.cpp] [Line: 241]

LogPlayLevel: ERROR: SetCurrentContext eglMakeCurrent failed : 0x300d

LogPlayLevel: Error: LogAndroid: Error: === Critical error: ===

LogPlayLevel: Error: LogAndroid: Error:

LogPlayLevel: Error: LogAndroid: Error: Assertion failed: Result == 1 [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/OpenGLDrv/Private/Android/AndroidEGL.cpp] [Line: 241]

LogPlayLevel: Error: LogAndroid: Error: ERROR: SetCurrentContext eglMakeCurrent failed : 0x300d

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x00000076649D5AA0 libUE4.so(0x00000000085D0AA0)!FDebug::CheckVerifyFailedImpl(char const*, char const*, int, char16_t const*, …) []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x00000076693FF888 libUE4.so(0x000000000CFFA888)!AndroidEGL::SetCurrentContext(void*, void*) []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x0000007669404A6C libUE4.so(0x000000000CFFFA6C)!PlatformRenderingContextSetup(FPlatformOpenGLDevice*) []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x000000766942B570 libUE4.so(0x000000000D026570)!FOpenGLDynamicRHI::RHIAcquireThreadOwnership() []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x0000007665CF3650 libUE4.so(0x00000000098EE650)!TGraphTask::ExecuteTask(TArray<FBaseGraphTask*, TSizedDefaultAllocator<32> >&, ENamedThreads::Type) []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x00000076647ACC2C libUE4.so(0x00000000083A7C2C)!FNamedTaskThread::ProcessTasksNamedThread(int, bool) []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x00000076647AB4C8 libUE4.so(0x00000000083A64C8)!FNamedTaskThread::ProcessTasksUntilQuit(int) []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x0000007665CBD630 libUE4.so(0x00000000098B8630)!FRHIThread::Run() []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x00000076648A7A38 libUE4.so(0x00000000084A2A38)!FRunnableThreadPThread::Run() []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x00000076647A7580 libUE4.so(0x00000000083A2580)!FRunnableThreadPThread::_ThreadProc(void*) []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x000000775D2B88A0 libc.so(0x00000000000E68A0)Unknown []

LogPlayLevel: Error: LogAndroid: Error: [Callstack] 0x000000775D256B6C libc.so(0x0000000000084B6C)Unknown []