could not find HMenu's parent in MenuKey system error code for MBDF not found insufficient memory to update a pixmap Server volume has been disconnected. an attempt was made to do hierarchical operations on a nonhierarchical volume a folder cannot be placed in its own subfolder. too many working directories are open. the directory could not be found. trying to move a locked block (MoveHHi) Size Check failed Block Check failed Pointer Check failed Address in zone check failed trying to purge a locked or non-purgeable block WhichZone failed (applied to free block) address was odd; or out of range Master Pointer was NIL in HandleZone or other there is insufficient application memory.