| Error Code | Error Description |
| 5 | Invalid procedure call or argument |
| 6 | Overflow |
| 7 | Out of memory |
| 9 | Subscript out of range |
| 10 | This array is fixed or temporarily locked |
| 11 | Division by zero |
| 13 | Type mismatch |
| 14 | Out of string space |
| 16 | Expression too complex |
| 17 | Can’t perform requested operation |
| 18 | User interrupt occurred |
| 28 | Out of stack space |
| 47 | Too many DLL application clients |
| 48 | Error in loading DLL |
| 49 | Bad DLL calling convention |
| 51 | Internal error |
| 52 | Bad file name or number |
| 53 | File not found |
| 54 | Bad file mode |
| 55 | File already open |