Index: trunk/ippScripts/scripts/ipp_serial_mops.pl
===================================================================
--- trunk/ippScripts/scripts/ipp_serial_mops.pl	(revision 24270)
+++ trunk/ippScripts/scripts/ipp_serial_mops.pl	(revision 24271)
@@ -80,5 +80,5 @@
     MAX(diffWarps.diff_id) AS diff_id,
     -- The following trick pulls out the appropriate values for the maximum diff_id
-    CONVERT(SUBSTRING_INDEX(GROUP_CONCAT(camProcessedExp.zpt_obs ORDER BY diffWarps.diff_id), ',', 1), UNSIGNED) AS zpt_obs,
+    SUBSTRING_INDEX(GROUP_CONCAT(camProcessedExp.zpt_obs ORDER BY diffWarps.diff_id), ',', 1) AS zpt_obs,
     CONVERT(SUBSTRING_INDEX(GROUP_CONCAT(diffWarps.inverse ORDER BY diffWarps.diff_id), ',', 1), UNSIGNED) AS inverse
 FROM (