I am using the template project from SDK to do my programming. After a whole night debugging, I still have two errors left. Could you please help me to figure out what those are? 1. Error 1 error LNK2019: unresolved external symbol __Znaj referenced in function __Z5runSWv SW2D.obj 2. Error 2 fatal error LNK1120: 1 unresolved externals ../../bin/win32/Debug/SW2D.exe Appreciate!!!