Index: trunk/grails-app/i18n/messages.properties
===================================================================
--- trunk/grails-app/i18n/messages.properties	(revision 323)
+++ trunk/grails-app/i18n/messages.properties	(revision 347)
@@ -12,4 +12,6 @@
 
 assetSubItem.asset.not.found=Could not complete operation as an asset was supplied but not found.
+assetSubItem.assets.associated=Could not complete operation as assets are still associated with this sub item.
+assetSubItem.maintenanceActions.associated=Could not complete operation as maintenance actions are still associated with this sub item.
 
 sub.task.create.confirm=Immediately create and save a new sub task?