Index: trunk/psLib/src/dataIO/psFileUtilsErrors.dat
===================================================================
--- trunk/psLib/src/dataIO/psFileUtilsErrors.dat	(revision 2962)
+++ trunk/psLib/src/dataIO/psFileUtilsErrors.dat	(revision 2965)
@@ -21,5 +21,6 @@
 psFits_EXTNAME_NULL                    Specified extension name can not be NULL.
 psFits_EXTNAME_INVALID                 Could not find HDU '%s' in file %s.\nCFITSIO Error: %s
-psFits_EXTNUM_INVALID                  Could not find HDU #%d in file %s.\nCFITSIO Error: %s
+psFits_EXTNUM_ABS_MOVE_FAILED          Could not move to specified HDU #%d in file %s.\nCFITSIO Error: %s
+psFits_EXTNUM_REL_MOVE_FAILED          Could not move %d HDUs from current position in file %s.\nCFITSIO Error: %s
 psFits_GET_EXTNUM_FAILED               Failed to determine the current HDU number in file %s.\nCFITSIO Error: %s
 psFits_GETNUMHDUS_FAILED               Failed to determine the number of HDUs in file %s.\nCFITSIO Error: %s