Index: lams_tool_preview/web/pages/learning/rubrics.jsp
===================================================================
diff -u -re8c858ae097ae8b7861ec6e70e490daec543e34e -ra5de424e08d66ffe8cf63b817fa542bedd191be9
--- lams_tool_preview/web/pages/learning/rubrics.jsp	(.../rubrics.jsp)	(revision e8c858ae097ae8b7861ec6e70e490daec543e34e)
+++ lams_tool_preview/web/pages/learning/rubrics.jsp	(.../rubrics.jsp)	(revision a5de424e08d66ffe8cf63b817fa542bedd191be9)
@@ -32,6 +32,13 @@
 <script>
 
 	function submitEntry(next) {
+		if (next) {
+			let criterionTables = $('.rubrics-table'),
+				ratingMissing = $('tbody td.bg-success', criterionTables).length !== $('tbody tr', criterionTables).length - criterionTables.length;
+			if (ratingMissing && !confirm('<fmt:message key="message.rating.rubrics.selection.missing" />')){
+				return;
+			}
+		}
 		// answer saved when clicked so don't use next button to submit
 		nextprev(next);
 	}