- unable to initialize heap - unable to open console device Memory check error at 0x%08X = 0x%02X, should be 0x%02X. Runtime error When a female is ready to bear a litter of pups she finds or creates a den. The mother remains in the den until the pups are born, and for at least five weeks thereafter, until the pups are weaned. During this period the mother is unable to hunt, and must rely on the rest of the pack to bring food for her and her pups.