# Get TWAIN Error

> [HTML Version](gettwainerror.htm)

**xcall AUI, AUI\_IMAGE, IMGOP\_TWERR, handle, status**

IMGOP\_TWERR only applies when the _status_ returned from another _opcode _is 11 (TWAIN error). In that case, you can use _opcode _9 to retrieve a more specific error code, among the following:

| **Value ** | **Meaning** |
|------|------|
| 1 | Failure due to unknown causes |
| 2 | Not enough memory to perform operation |
| 3 | No data source |
| 4 | Source already in use |
| 5 | Source/Manager error already reported |
| 6 | Unknown capability requested |
| 7 | Undefined error |
| 8 | Undefined error |
| 9 | Bad protocol |
| 10 | Parameter out of range |
| 11 | Message received out of sequence |
| 12 | Unknown destination source app |
| 13 | Could not create parent window |
| 14 | TWAIN Source Manager not found |