| Wrong instrument name | error |
| | Should be either EMOS1, EMOS2, EPN |
| WrongSourceCoordType | error |
| | Should be one of det, eqpos or pos |
| Input spectrum may be wrong | warning |
| | The input spectrum has a negative
or null total number of counts
corrective action: none |
| Corrected spectrum may be wrong | warning |
| | The corrected background
spectrum is negative everywhere
corrective action: none |
| Corrected spectrum may be wrong | warning |
| | The corrected background
spectrum has a negative or null total number of counts
corrective action: none |