Index: lams_common/conf/language/lams/ApplicationResources.properties
===================================================================
diff -u -r02fd9bc11bce2f15195f1e9ee0b46f2f3de243c8 -r260f167585ffb5b4db7b021294782607437aed4a
--- lams_common/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 02fd9bc11bce2f15195f1e9ee0b46f2f3de243c8)
+++ lams_common/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 260f167585ffb5b4db7b021294782607437aed4a)
@@ -17,6 +17,7 @@
 validation.error.GroupingRequired  =Grouping is required
 validation.error.GroupingNotRequired  =Grouping is not supported
 validation.error.GroupingSelected  =Grouping is selected but does not exist
+validation.error.GroupingNotUsed  =Grouping is not used in any of activities
 validation.error.OptionalActivity  =An Optional Activity must have one or more activities
 validation.error.OptionalActivityOrderId  =This Optional Activity has invalid order ids
 validation.error.illegalScheduleGateOffsetsType1  =A Schedule Gate cannot have equal start and end time offsets.