Index: lams_learning/web/grouping/choose.jsp
===================================================================
diff -u -r77b8d15134dd7e863fad465642a785f336fa211d -rfb44371b6225fdfe2cba7781170998ef034126ce
--- lams_learning/web/grouping/choose.jsp	(.../choose.jsp)	(revision 77b8d15134dd7e863fad465642a785f336fa211d)
+++ lams_learning/web/grouping/choose.jsp	(.../choose.jsp)	(revision fb44371b6225fdfe2cba7781170998ef034126ce)
@@ -64,7 +64,7 @@
 						<fmt:message key="label.learner.choice.group.full"/>
 					</c:when>
 					<c:otherwise>
-						<html:form action="/grouping.do?method=learnerChooseGroup&userId=${user.userId}&activityID=${activityID}&groupId=${group.groupId}" target="_self">
+						<html:form action="/grouping.do?method=learnerChooseGroup&userId=${user.userID}&activityID=${activityID}&groupId=${group.groupId}" target="_self">
 							<html:submit styleClass="button"><fmt:message key="label.choose.group.button"/></html:submit>
 						</html:form>
 					</c:otherwise>
Index: lams_learning/web/grouping/show.jsp
===================================================================
diff -u -r8aded0b18a5a7712622ae56f38923fa297449977 -rfb44371b6225fdfe2cba7781170998ef034126ce
--- lams_learning/web/grouping/show.jsp	(.../show.jsp)	(revision 8aded0b18a5a7712622ae56f38923fa297449977)
+++ lams_learning/web/grouping/show.jsp	(.../show.jsp)	(revision fb44371b6225fdfe2cba7781170998ef034126ce)
@@ -25,7 +25,7 @@
 <%@ taglib uri="tags-core" prefix="c" %>		
 <%@ taglib uri="tags-fmt" prefix="fmt" %>
 
-	<html:form action="/grouping.do?method=completeActivity&userId=${user.userId}&lessonId=${lesson.lessonId}&activityID=${activityID}" target="_self" styleId="messageForm">
+	<html:form action="/grouping.do?method=completeActivity&userId=${user.userID}&lessonId=${lesson.lessonId}&activityID=${activityID}" target="_self" styleId="messageForm">
 
 	<div id="content">