| WrongInst | error |
| | Unknown instrument ID |
| MissingParameter | error |
| | Missing input file name |
| FileMismatch | error |
| | Inconsistent number of input images |
| FileMismatch | error |
| | Inconsistent instruments or bands |
| FileMismatch | error |
| | Number of detector masks not equal number of instruments |
| FileMismatch | error |
| | Inconsistent image coordinates |
| FileMismatch | error |
| | Inconsistent number of output file names |
| FileMismatch | warning |
| | More output file names provided than needed
corrective action: Only the first file name(s) will be used |
| MissingAttribute | warning |
| | Keyword not found in the header of an input file
corrective action: Keyword will not be copied to output file |
| SingleECF | warning |
| | Several ECFs provided for a Poisson map that needs only one
corrective action: First ECF will be used |
| noConvergence | warning |
| | A fit ended without reaching convergence
corrective action: Fit value is copied to the output map anyway |