| Pre42 | error |
| | Observation was before Rev 42. Cannot analyze (lack
CAL files |
| notPN | error |
| | Input event list INSTRUME must be EPN |
| unsupportedSMODE | error |
| | SUBMODE must be PrimeFullWindowExtended or PrimeFullWindow |
| noEVENTS | error |
| | Input event file has no EVENTS block |
| noEXPOSURE | error |
| | Input event file has no EXPOSURE attribute |
| noLIVETIMnn | error |
| | Input event file has no LIVETIMnn attribute |
| noOPEN | error |
| | Cannot OPEN region file, iostat=N |
| noREAD | error |
| | Cannot READ region file, iostat=N |
| noREGIONfile | error |
| | Chosen region file does not exist |