Duplicate key during a transaction. Loop in referential integrity. Other records are linked to that one. Index Block# is out of range. Record# is out of range. Invalid Record structure. Invalid Index structure. Invalid Data address. Invalid Structure. Timeout Error. Privilege Error. Passwords existing. Menu bars existing or more than one file. Printer initialized with a different driver. No LaserWriter chosen. Printer closed or not found. Connection just closed. Printing process aborted by user. Not enough space in memory. Trouble with I/O. Unimplemented control instruction. Problem saving print file. User interruption. Demonstration version limit. The stack is full. The maximum number of records was reached. No more room to save the record. Duplicated key. Tried to create an existing file. File already open. File locked. Disk locked. File not found. Too many files open. Tried to read or write before the beginning of a file. Tried to read beyond the end of a file. Bad file name. May be too long or have an illegal character. Input/output error. Disk full. Disk file directory full. Error #