Try catch not working, Exception thrown at 0x00476F1E in game1.exe: 0xC0000005: Access violation reading location 0x00000004

Question

Code:

try {
    SDL_SetColorKey(surfaces[folderCnt][surfacesCnt], SDL_TRUE, SDL_MapRGB(surfaces[folderCnt][surfacesCnt]->format, 255, 0, 255));
}
catch (in