**i have defined function **
int32 MyDataBaseConnect(int32 y)
{}
** but there are some error **
error 4 error LNK2019: unresolved external symbol “public: static int __cdecl UMyBlueprintFunctionLibrary::MyDataBaseConnect(int)” (?MyDataBaseConnect@UMyBlueprintFunctionLibrary@@SAHH@Z),The symbol in the function “public: void __cdecl UMyBlueprintFunctionLibrary::execMyDataBaseConnect(struct FFrame &,void * const)” (?execMyDataBaseConnect@UMyBlueprintFunctionLibrary@@QEAAXAEAUFFrame@@QEAX@Z) have been referenced D:\UnrealEngineProject\Myp15\Intermediate\ProjectFiles\MyBlueprintFunctionLibrary.cpp.obj