Crash on Mac project

Hey guys

I’m testing my game on Mac (based the project on TestCpp) but I’m having a strange error.

I start the game and switch to full screen. When I click the play button on the main menu, the texture to be used doesn’t load.

CCTexture2D *tex = CCTextureCache::sharedTextureCache()->addImage("core.pvr.ccz");
CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile("core.plist", tex);

CCSpriteBatchNode *batchNode = CCSpriteBatchNode::createWithTexture(tex);

The tex var appears to be null. The createWithTexture() method gives me EXC_BAD_ACCESS error on CCTexture2D::hasPremultipliedAlpha();
If i do not switch to full screen, it works perfectly. Although the error persists if I switch and returns to window.

I’m using cocos2d-2.1beta3-x-2.1.0.
Any thoughts?

Thanks!

Sorry for the bump, just wanted to say that the problem was solved when I switched to PNG instead PVR.