| Inregion1 | error |
| | Must enter inregion file for mode = 1 |
| Inregion2 | error |
| | Must enter inregion file for mode = 2 |
| noInregion3 | error |
| | No inregion file allowed for mode = 3 |
| noRadius | error |
| | You must specify a radius for a CIRCLE shape |
| noSemimajor | error |
| | You must specify a semimajor for an ELLIPSE shape |
| noSemimmior | error |
| | You must specify a semiminor for an ELLIPSE shape |
| UnsupportedShape | error |
| | SHAPE value not CIRCLE or ELLIPSE |
| noOpenInRegion | error |
| | Cannot open region file |
| noClobber | error |
| | Out file exists but noClobber is set |
| noOpen | error |
| | Cannot open input or output file |
| noRegionExt | error |
| | In file has no REGION extension |
| noMFORM1 | error |
| | Region FITS file does not have MFORM1 attribute |
| NotDET | error |
| | Region file must have MFORM = X,Y not DETX,DETY |
| imgNoPAPNT | error |
| | Input image has no PAPNT attribute |
| noINSTRUME | error |
| | Input image has no INSTRUMENT attribute |
| noLUN | error |
| | Cannot obtain i/o logical unit number |
| badFILEread | error |
| | Cannot read esky2det/ecoordconv output file |
| NOdetpos | error |
| | esky2det did not create temp file detpos.txt |
| NOcoords | error |
| | ecoordconv did not create temp file coords.txt |
| notEPIC | error |
| | Selected detector is not M1/M2/PN |
| noRAdec | error |
| | Unable to parse RA/Dec from coords.txt |
| NoRotangCircle | warning |
| | Do not enter a rotang for CIRCLE
corrective action: default to 0. |
| NoMajorCircle | warning |
| | Do not enter a semimajor for CIRCLE, ignoring
corrective action: Ignores |
| NoMinorCircle | warning |
| | Do not enter a semiminor for CIRCLE, ignoring
corrective action: Ignores |
| NoMinorCircle | warning |
| | Do not enter a radius for ELLIPSE, ignoring
corrective action: Ignores |
| not4elements | warning |
| | Region file DETX DETY not 4 element vector
corrective action: Tries to use what is there |
| GT1000Regions | warning |
| | Maximum number of regions is 1000
corrective action: Uses first 1000 |
| sky2detNaN | warning |
| | esky2det result is NaN
corrective action: set to 0. |