Index: build/AlarmMapping.py
===================================================================
diff -u -r2ac0dc78413acf160b30cb31684bb1f78f0480ea -r23bcfb95bcc8c492cee2f085659c31843b289079
--- build/AlarmMapping.py	(.../AlarmMapping.py)	(revision 2ac0dc78413acf160b30cb31684bb1f78f0480ea)
+++ build/AlarmMapping.py	(.../AlarmMapping.py)	(revision 23bcfb95bcc8c492cee2f085659c31843b289079)
@@ -349,7 +349,7 @@
   17 : "REQUEST_REJECT_REASON_PARAM_OUT_OF_RANGE"                      # A treatment parameter is out of range.
   18 : "REQUEST_REJECT_REASON_HEPARIN_PRESTOP_EXCEEDS_DURATION"        # The Heparin pre-stop setting is greater than the treatment duration.
   19 : "REQUEST_REJECT_REASON_DG_FILTER_FLUSH_HAS_BEEN_EXPIRED"        # DG filter flush time has been expired.
-  20 : "REQUEST_REJECT_REASON_AVAILABLE_2"                             # Not used.
+  20 : "REQUEST_REJECT_REASON_SALINE_BOLUS_NOT_ALLOWED"                # Saline bolus is not allowed (due to blood and dialysate recirculation blockage).
   21 : "REQUEST_REJECT_REASON_AVAILABLE_3"                             # Not used.
   22 : "REQUEST_REJECT_REASON_SALINE_BOLUS_NOT_IN_PROGRESS"            # A saline bolus is not in progress.
   23 : "REQUEST_REJECT_REASON_ACTION_DISABLED_IN_CURRENT_STATE"        # Requested user action is disabled in current state.