diff --git a/LSL2/STPROC/SCAN_SERVICES.txt b/LSL2/STPROC/SCAN_SERVICES.txt
index 25b36e8..bbb7644 100644
--- a/LSL2/STPROC/SCAN_SERVICES.txt
+++ b/LSL2/STPROC/SCAN_SERVICES.txt
@@ -1292,6 +1292,9 @@ Service AcceptScan(ScanID, ScanJSON)
 								Case CurrStage _EQC 'QA'
 									Action = 'QA'
 									Error_Services('Set', '(':CassetteID:') The ':CurrStage:' is not currently supported by the barcode application.')
+								Case CurrStage _EQC 'PREC'
+									Action = 'PREC'
+									Error_Services('Set', '(':CassetteID:') The ':CurrStage:' is not currently supported by the barcode application.')
 								Case CurrStage _EQC 'COMP'
 									Action = 'COMP'
 									Error_Services('Set', '(':CassetteID:") Cassette has already been FQA'd.")
@@ -2038,3 +2041,4 @@ return
 
 
 
+