Some of the numeric status codes returned for file operations are different in IBM DOS/VS COBOL and ACUCOBOL-GT. The following list contains codes returned for each.
| Code | IBM DOS/VS COBOL | ACUCOBOL-GT | 
|---|---|---|
| 00 | Success | Same | 
| 10 | EOF | Same | 
| 21 | Invalid key, sequence error | Same | 
| 22 | Duplicate key | Same | 
| 23 | Key not found | Same | 
| 24 | Boundary violation (indexed VSAM | Same | 
| 30 | Permanent error | Same | 
| 34 | Boundary violation (sequential VSAM) | Same | 
| 91 | Password failure | Not supported closest alt.: 3707 | 
| 92 | Logic error | Presumably 4x | 
| 93 | Resource not available | Presumably 05/35 | 
| 94 | No current record for seq. Request | 43 | 
| 95 | Invalid or incomplete file information. | Not supported closest alt.: 39xx | 
| 96 | No DLBL card | Not supported | 
| Zx | User-defined errors | Not supported |