| MissingParameter | error |
| | Missing input file name |
| WrongInst | error |
| | Unknown instrument |
| FileMismatch | error |
| | Inconsistent number of input images |
| FileMismatch | error |
| | Inconsistent instruments or bands |
| FileMismatch | error |
| | # detector masks /= # instruments |
| FileMismatch | error |
| | Wrong detector mask |
| WrongType | error |
| | Input image has wrong type |
| WrongRefPixel | error |
| | Reference pixel is outside FOV |
| WrongParam | error |
| | ERROR in cut_radius |
| WrongPSFModel | error |
| | psfmodel=slew is only valid for EPIC/pn. |
| noPSF | error |
| | point response not valid |
| notEnoughMemory | error |
| | Not enough memory available to allocate arrays |
| TooManyBands | error |
| | Images and / or pimin, pimax parameters for more than six energy bands provided. |
| TooManyInstruments | error |
| | Number of instruments times number of pointings is limited. |
| TooManyPhotons | error |
| | Cannot handle so many photons in the source region. Consider decreasing the number of input images. |
| EmptySourceList | warning |
| | Input source list is empty
corrective action: Exit without output results |
| FileMismatch | warning |
| | Number of PI boundaries not equal number of images
corrective action: Use default values for missing boundaries |
| FileMismatch | warning |
| | Number of ECFs not equal number of images
corrective action: Use default values |
| MissingAttribute | warning |
| | Keyword is missing
corrective action: Keyword is not copied to output |
| MissingColumn | warning |
| | Column not found in the input source list.
corrective action: Column ignored. In particular: Input source list won't
be sorted by decreasing likelihood, if none of the
columns LIKE, DET_ML, SIGMA, or WCORR are
available. |
| WrongPointDir | warning |
| | Pointing direction is outside of image |
| BufferOverflow | warning |
| | More than 50000 sources detected
corrective action: Remaining sources will be ignored |