diff --git a/LSL2/STPROC/COMM_QA_MET_RESULT.txt b/LSL2/STPROC/COMM_QA_MET_RESULT.txt
index f74745a..09728aa 100644
--- a/LSL2/STPROC/COMM_QA_MET_RESULT.txt
+++ b/LSL2/STPROC/COMM_QA_MET_RESULT.txt
@@ -374,6 +374,7 @@ Refresh:
                 * Line = MU Wafer *	
                 *******************
                 IF (SlotList<Line, COL$MU_WAFER_ID> NE '') THEN
+
                     FormMUWaferThkResult = TRIM(SlotList<Line, COL$MU_WAFER_THK_RESULT>)
                     DatabaseMUWaferThkResult = WOMatRec<WO_MAT_MU_WAFER_THK_RESULT$, Line>
                     
@@ -403,8 +404,8 @@ Refresh:
                         
                         IF NOT(Found) THEN
                             MUBoxResults<0, BoxIndex> = False$
-                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, LTGREY$)
-                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', COL$MU_WAFER_THK_RESULT, Line, WHITE$)
+                            stat                      = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, LTGREY$)
+                            stat                      = Send_Message(SlotCtrl, 'COLOR_BY_POS', COL$MU_WAFER_THK_RESULT, Line, WHITE$)
                             Set_Property(@WINDOW, '@MU_WAFER_THK_MISSING_REQ', 0)
                         END else
                             MUBoxResults<0, BoxIndex> = True$
@@ -413,7 +414,7 @@ Refresh:
                     
                     IF (FormMUWaferThkResult NE '') THEN
                         IF ((FormMUWaferThkResult < MetMin) OR (FormMUWaferThkResult > MetMax)) THEN
-                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, RED$)
+                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, RED$)
                             Set_Property(@WINDOW, '@MU_WAFER_THK_RANGE_REQ', 0)
                         END
                         
@@ -424,7 +425,7 @@ Refresh:
                                     IF (SlotList<LoopIndex,COL$MU_WAFER_ID> NE '') THEN
                                         IF (BoxNumber = FIELD(SlotList<LoopIndex,COL$MU_WAFER_ID>,'.',1,2)) THEN
                                             IF (LoopIndex = Line) OR (TRIM(SlotList<LoopIndex,COL$MU_WAFER_THK_RESULT>) = '') THEN
-                                                stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', LoopIndex, MU_GREEN$)
+                                                stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, LoopIndex, MU_GREEN$)
                                                 stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', COL$MU_WAFER_THK_RESULT, LoopIndex, WHITE$)
                                             END
                                         END
@@ -439,15 +440,15 @@ Refresh:
                     * Line = Regular Wafer *	
                     ************************
                     IF (Line = TestSlot) THEN
-                        stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, YELLOW$)
+                        stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, YELLOW$)
                     END ELSE
                         //JRO
                         FormMUWaferThkResult = TRIM(SlotList<Line, COL$MU_WAFER_THK_RESULT>)
                         IF FormMUWaferThkResult NE '' AND ((FormMUWaferThkResult < MetMin) OR (FormMUWaferThkResult > MetMax)) then
-                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, RED$)
+                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, RED$)
                             Set_Property(@WINDOW, '@ADE_WAFER_THK_RANGE_REQ', 0)
                         end else
-                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, WHITE$)
+                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, WHITE$)
                         end
                     END
                 END
@@ -533,7 +534,7 @@ Refresh:
                             
                             IF NOT(Found) THEN
                                 MUBoxResults<0, BoxIndex> = False$
-                                stat                      = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, LTGREY$)
+                                stat                      = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, LTGREY$)
                                 stat                      = Send_Message(SlotCtrl, 'COLOR_BY_POS', COL$EPI_MU_WAFER_THK_RESULT, Line, WHITE$)
                                 Set_Property(@WINDOW, '@MU_WAFER_THK_MISSING_REQ', 0)
                             END else
@@ -543,7 +544,7 @@ Refresh:
                         
                         IF (FormMUWaferThkResult NE '') THEN
                             IF ((FormMUWaferThkResult < MetMin) OR (FormMUWaferThkResult > MetMax)) THEN
-                                stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, RED$)
+                                stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, RED$)
                                 stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', COL$EPI_MU_WAFER_THK_RESULT, Line, WHITE$)
                                 Set_Property(@WINDOW, '@MU_WAFER_THK_RANGE_REQ', 0)
                             END
@@ -555,7 +556,7 @@ Refresh:
                                         IF (SlotList<LoopIndex,COL$EPI_MU_WFR_ID> NE '') THEN
                                             IF (BoxNumber = FIELD(SlotList<LoopIndex,COL$EPI_MU_WFR_ID>,'.',1,2)) THEN
                                                 IF ((LoopIndex = Line) OR (TRIM(SlotList<LoopIndex,COL$EPI_MU_WAFER_THK_RESULT>) = '')) THEN
-                                                    stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', LoopIndex, MU_GREEN$)
+                                                    stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, LoopIndex, MU_GREEN$)
                                                     stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', COL$EPI_MU_WAFER_THK_RESULT, LoopIndex, WHITE$)
                                                 END
                                             END
@@ -570,15 +571,15 @@ Refresh:
                         * Line = Regular Wafer *	
                         ************************
                         IF (Line = TestSlot) THEN
-                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, YELLOW$)
+                            stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, YELLOW$)
                         END ELSE
                             //JRO
                             FormMUWaferThkResult = TRIM(SlotList<Line, COL$MU_WAFER_THK_RESULT>)
                             IF FormMUWaferThkResult NE '' AND ((FormMUWaferThkResult < MetMin) OR (FormMUWaferThkResult > MetMax)) then
-                                stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, RED$)
+                                stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, RED$)
                                 Set_Property(@WINDOW, '@ADE_WAFER_THK_RANGE_REQ', 0)
                             end else
-                            	stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', '', Line, WHITE$)
+                            	stat = Send_Message(SlotCtrl, 'COLOR_BY_POS', 0, Line, WHITE$)
                             end
                         END
                     END
@@ -1131,3 +1132,4 @@ PubSaveClick:
     
 RETURN
 
+