Index: MsgDefs.h
===================================================================
diff -u -rf1ec5e566a7963c7db5d0bc1769f51bf13915c69 -r6878daf001fc7b7429dbf8f7133f0e3cb436af75
--- MsgDefs.h	(.../MsgDefs.h)	(revision f1ec5e566a7963c7db5d0bc1769f51bf13915c69)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 6878daf001fc7b7429dbf8f7133f0e3cb436af75)
@@ -570,7 +570,7 @@
     REQUEST_REJECT_REASON_ALARM_IS_ACTIVE = 24,                         ///< Requested user action not allowed while alarm is active
     REQUEST_REJECT_REASON_INVALID_COMMAND = 25,                         ///< Requested user action invalid
     REQUEST_REJECT_REASON_TREATMENT_IS_COMPLETED = 26,                  ///< The treatment has been completed
-    REQUEST_REJECT_REASON_ADDL_RINSEBACK_MAX_VOLUME_REACHED = 27,       ///< Rinseback additional volume maximum has been reached - no more additional rinsebacks allowed
+    REQUEST_REJECT_REASON_AVAILABLE_4 = 27,                             ///< Not used
     REQUEST_REJECT_REASON_DIALYZER_NOT_INVERTED = 28,                   ///< Dialyzer not inverted yet
     REQUEST_REJECT_REASON_NO_PATIENT_CONNECTION_CONFIRM = 29,           ///< The user has not confirmed patient connection
     REQUEST_REJECT_REASON_HEPARIN_PAUSE_INVALID_IN_THIS_STATE = 30,     ///< Heparin cannot be paused if not currently deliverying Heparin