The following table lists some of the Mac OS system errors. It is usually not possible to recover from these errors.
| Code | Description |
| 4 | Zero divide |
| 15 | Segment Loader Error: 4th Dimension failed in loading one of its own code segments. |
| You must allocate more memory to 4th Dimension. |
| 17 to 24 | A system package is missing. Check if your system directory has been correctly installed |
| 25 | Out of memory |
| You must allocate more memory to 4th Dimension |
| 28 | Stack has moved into the application heap. |
| You must allocate more memory to 4th Dimension |
