Any of you out there using Xcode? I'm getting this crash when running my program: ZeroLink: unknown symbol '__Z11DrawGLScenev' Executable “GLWINDOW” has exited due to signal 6 (SIGABRT). I've looked up the problem and it seems that the popular solution is turning ZeroLink off in the styles inspector. I did that, but am still having the same problem. I need help!!!