diff --git a/LSL2/STPROC/SCAN_SERVICES.txt b/LSL2/STPROC/SCAN_SERVICES.txt
index dcff130..9b26817 100644
--- a/LSL2/STPROC/SCAN_SERVICES.txt
+++ b/LSL2/STPROC/SCAN_SERVICES.txt
@@ -1003,13 +1003,13 @@ Service ProcessScanData(ScanID, ScanJSON)
 																							LoadStageReady  = QA_Services('LoadSignatureReady', RDSNo, Username, WaferQty, LLSide, True$, Reactor)
 																							If (LoadStageReady NE True$) then 
 																								// Why is it not ready?
-																								ErrorMsg = Error_Services('GetMessage')
+																								ErrMsg = Error_Services('GetMessage')
 																								Begin Case
-																									Case IndexC(ErrorMsg, 'supplement', 1)
+																									Case IndexC(ErrMsg, 'supplement', 1)
 																										// Clear the error to return a JSON payload and handle the acknowledgements.
 																										Error_Services('Clear')
-																										Scan_Services('AddNotAcceptableReason', ErrorMsg)
-																									Case IndexC(ErrorMsg, 'ROTR', 1)
+																										Scan_Services('AddNotAcceptableReason', ErrMsg)
+																									Case IndexC(ErrMsg, 'ROTR', 1)
 																										ROTRBlock       = Database_Services('ReadDataColumn', 'REACTOR', Reactor, REACTOR_ROTR_STATUS$, True$, 0, False$)
 																										ROTRBlockReason = Database_Services('ReadDataColumn', 'REACTOR', Reactor, REACTOR_ROTR_STATUS_REASON$, True$, 0, False$)
 																										ROTREnabled     = Database_Services('ReadDataColumn', 'REACTOR', Reactor, REACTOR_ENABLE_ROTR$, True$, 0, False$)
@@ -1029,11 +1029,11 @@ Service ProcessScanData(ScanID, ScanJSON)
 																							end
 																						end else
 																							// Why is it not ready?
-																							ErrorMsg = Error_Services('GetMessage')
+																							ErrMsg = Error_Services('GetMessage')
 																							Begin Case
-																								Case IndexC(ErrorMsg, 'supplement', 1)
+																								Case IndexC(ErrMsg, 'supplement', 1)
 																									Error_Services('Clear')
-																									Scan_Services('AddNotAcceptableReason', ErrorMsg)
+																									Scan_Services('AddNotAcceptableReason', ErrMsg)
 																							End Case																					
 																						end
 																					end else
@@ -1079,13 +1079,13 @@ Service ProcessScanData(ScanID, ScanJSON)
 																							LoadStageReady = QA_Services('LoadSignatureReady', RDSNo, Username, WaferQty, LLSide)
 																							If (LoadStageReady NE True$) then 
 																								// Why is it not ready?
-																								ErrorMsg = Error_Services('GetMessage')
+																								ErrMsg = Error_Services('GetMessage')
 																								Begin Case
-																									Case IndexC(ErrorMsg, 'supplement', 1)
+																									Case IndexC(ErrMsg, 'supplement', 1)
 																										// Clear the error to return a JSON payload and handle the acknowledgements.
 																										Error_Services('Clear')
-																										Scan_Services('AddNotAcceptableReason', ErrorMsg)
-																									Case IndexC(ErrorMsg, 'ROTR', 1)
+																										Scan_Services('AddNotAcceptableReason', ErrMsg)
+																									Case IndexC(ErrMsg, 'ROTR', 1)
 																										ROTRBlock       = Database_Services('ReadDataColumn', 'REACTOR', Reactor, REACTOR_ROTR_STATUS$, True$, 0, False$)
 																										ROTRBlockReason = Database_Services('ReadDataColumn', 'REACTOR', Reactor, REACTOR_ROTR_STATUS_REASON$, True$, 0, False$)
 																										ROTREnabled     = Database_Services('ReadDataColumn', 'REACTOR', Reactor, REACTOR_ENABLE_ROTR$, True$, 0, False$)
@@ -1110,8 +1110,8 @@ Service ProcessScanData(ScanID, ScanJSON)
 																						Scan_Services('AddNotAcceptableReason', 'The LWI stage engineering instructions must be acknowledged before the load operation can be signed.')
 																					end                                                                                                                                                                                                
 																				end else
-																					ErrorMessage = 'RDS layer parameters must be reviewed for accuracy and acknowledged before the load operation can be signed.'
-																					Scan_Services('AddNotAcceptableReason', ErrorMessage)
+																					ErrMsg = 'RDS layer parameters must be reviewed for accuracy and acknowledged before the load operation can be signed.'
+																					Scan_Services('AddNotAcceptableReason', ErrMsg)
 																				end
 																			end else
 																				ErrMsg = 'Scanned tool ':ScanTool:' does not match the scheduled tool ':SchedTool:'. (':RDSNo:')'
@@ -1138,11 +1138,11 @@ Service ProcessScanData(ScanID, ScanJSON)
 																			UnloadStageReady = QA_Services('UnloadSignatureReady', RDSNo, Username, Reactor)
 																			If Not(UnloadStageReady) then
 																				// Why is it not ready?
-																				ErrorMsg = Error_Services('GetMessage')
+																				ErrMsg = Error_Services('GetMessage')
 																				Begin Case
-																					Case IndexC(ErrorMsg, 'supplement', 1)
+																					Case IndexC(ErrMsg, 'supplement', 1)
 																						Error_Services('Clear')
-																						Scan_Services('AddNotAcceptableReason', ErrorMsg)
+																						Scan_Services('AddNotAcceptableReason', ErrMsg)
 																					Case Otherwise$
 																						// Keep error on Error_Services stack and return 400 level error.
 																				End Case
@@ -2421,3 +2421,4 @@ return
 
 
 
+