| Name | Code | Description |
|---|---|---|
| BUTM_OLDINTERFACE | (156568832L) | interface incompatible |
| BUTM_NOMOUNT | (156568833L) | there is not an opened tape |
| BUTM_PARALLELMOUNTS | (156568834L) | multiple simultaneous opens not permitted |
| BUTM_MOUNTFAIL | (156568835L) | can't open tape |
| BUTM_DISMOUNTFAIL | (156568836L) | error during tape close |
| BUTM_IO | (156568837L) | tape I/O error |
| BUTM_READONLY | (156568838L) | write operation on read-only tape |
| BUTM_BADOP | (156568839L) | operation inappropriate in this context |
| BUTM_SHORTREAD | (156568840L) | read file ended before all data read |
| BUTM_SHORTWRITE | (156568841L) | write a zero length file |
| BUTM_EOT | (156568842L) | end of tape |
| BUTM_BADCONFIG | (156568843L) | problem reading configuration |
| BUTM_BADARGUMENT | (156568844L) | argument too long or out of range |
| BUTM_ENDVOLUME | (156568845L) | unexpected end of volume data |
| BUTM_LABEL | (156568846L) | appended tape label |
| BUTM_EOD | (156568847L) | end of dump |
| BUTM_IOCTL | (156568848L) | tape device error |
| BUTM_EOF | (156568849L) | end-of-file marker |
| BUTM_BADBLOCK | (156568850L) | unexpected tape datablock |
| BUTM_NOLABEL | (156568851L) | no label on tape |
| BUTM_POSITION | (156568852L) | cannot position within the file |