Index: BL/Sys/FOP/Verwerker/tmpDev.mac.rou
===================================================================
diff -u -r67017 -r73436
--- BL/Sys/FOP/Verwerker/tmpDev.mac.rou	(.../tmpDev.mac.rou)	(revision 67017)
+++ BL/Sys/FOP/Verwerker/tmpDev.mac.rou	(.../tmpDev.mac.rou)	(revision 73436)
@@ -1127,6 +1127,13 @@
 	Set ToPath=SeqItem.Params.GetAt("MoveFile.ToPath")
 	Set blnMustExist=(+SeqItem.Params.GetAt("MoveFile.MustExist"))
 	Set blnExists=##class(%File).Exists(FromPath)
+	
+	If (blnMustExist) {
+		Set lbWaitSeconds = $ListBuild(1,1,1,1,2,2,3,4,5,5,5)
+		Set Logger = ##class(vhLib.Logger).%New("Sys.FOP.Verwerker")
+		Set blnExists = ##class(TECH.Files).WaitUntilFileExists(FromPath, lbWaitSeconds, Logger, "FopQueue.MoveFile", "MoveFile.FromPath: ")
+	}
+	
 	Quit:('blnExists) $S(blnMustExist:$$$ERROR($$$GeneralError,"File does not exist: "_FromPath), 1:$$$OK)
 	; Else  : File/Dir exists --> delete it
 	; DirectoryExists