Errors reported by ŒLER are allocated integer Error Codes. Some error codes are unassigned, but these codes may still be used by the ŒERS function.
0 NO ERROR, OR ERROR RESET ¯1 OUT OF RANGE ARGUMENT FOR ŒES
1 WS FULL 17 FILE I/O ERROR 2 SYNTAX ERROR 18 FILE NOT IN SYSTEM 3 INDEX ERROR 19 UNAUTHORISED FILE ACCESS 4 RANK ERROR 20 COMPONENT NOT IN FILE 5 LENGTH ERROR 21 FILE ALLOCATION EXCEEDED 6 VALUE ERROR 23 FILE MAINTENANCE IN PROGRESS 7 VALENCE ERROR 24 FILE OR COMPONENT HELD 8 AXIS ERROR 25 INCORRECT COMMAND 9 SYSTEM ERROR 26 DATA DAMAGED 10 SYSTEM LIMIT 27 USER NOT IN SYSTEM 11 DOMAIN ERROR 28 USER ALLOCATION EXCEEDED 12 SYMBOL TABLE FULL 29 FILE IN EXISTENCE 13 INTERRUPT 40 DISC FULL 14 DEFN ERROR 41 FILE LOCKED 15 UNKNOWN ERROR 42 LOGICAL UNIT NOT FOUND 16 NONCE ERROR 43 STRUCTURED CONTROL ERROR