| noCCDNumber | error |
| | Raw coordinates have been requested but no CCD has
been entered. |
| noImageSupplied | error |
| | When sky or image coordinates are entered the
task needs an input image to find the detector position. |
| invalidCoordType | error |
| | An invalid coordinate type has been requested. |
| InvalidEnergyValue | error |
| | The energy level is not given. (This should not happen normally because it has default value. If it happens, it indicates a unknown bug.) |
| InvalidAccLevel | error |
| | Unknown or incorrect accuracy level. (This should not happen normally because it has default value. If it happens, it indicates a unknown bug.) |
| InvalidPA | warning |
| | Position angle is not supplied.
corrective action: Rotation is not employed or set to 0. Continue |