|Value of attsource not recognized.|
|The DATAMODE keyword in the event list header must be one of "IMAGING", "TIMING" or "BURST".|
|The values of the TIME column of the event list must occur in increasing order. (Note that if this is not the case, you can sort them using task etimedither).|
|The INSTRUME keyword in the event list header must be one of "EMOS1", "EMOS2" or "EPN".|
|Value of odfattsource not recognized.|
|Value of tangdirstyle not recognized.|
|Input file incorrect - no DETX column|
|Input file incorrect - no DETY column|
|Input file incorrect - no EVENTS extension|
|Input file incorrect - no TIME column|
|No null value is defined for X/Y columns
corrective action: Task just continues
|No events were found in the EVENTS table.
corrective action: Task finishes
|Some events were found which have X or Y values which are outside the set `legal' bounds as specified in the TLMIN or TLMAX for the appropriate column (and ultimately via the imagesize parameter).
corrective action: These events are ignored