ImageKit Error
When I close my application, I met the follow error message. Can anyone tell me what happen?
CoreAnimation: rendering error 506
--ImageKit Error: IKGLTextCache::createTexture glerror 506 before creating texture
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [36.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [72.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [108.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [144.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [180.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [216.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [252.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[36.000000,16.000000] offset [288.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [324.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [367.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [410.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [453.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [496.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [539.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [582.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [625.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [668.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [711.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: updateGLTextureWithBitmapData: glPixelStorei returned an error : 506 (subSize=[43.000000,16.000000] offset [754.000000,0.000000] glID:2, context:0x6792a0)
--ImageKit Error: error before reading pixels: 506
--ImageKit Error: error after reading pixels: 506
MacBook Pro, Mac OS X (10.7.2)