Index: idea_project/.idea/runConfigurations/WildFly.xml
===================================================================
diff -u -r10ada76a9a401c0fb4842e107613be3ffcc8430b -rcd6a78ef5a41f75b352b20176b35a96c554f1ba9
--- idea_project/.idea/runConfigurations/WildFly.xml	(.../WildFly.xml)	(revision 10ada76a9a401c0fb4842e107613be3ffcc8430b)
+++ idea_project/.idea/runConfigurations/WildFly.xml	(.../WildFly.xml)	(revision cd6a78ef5a41f75b352b20176b35a96c554f1ba9)
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="WildFly" type="JBossConfiguration" factoryName="Local" APPLICATION_SERVER_NAME="JBoss/WildFly 14.0.1.Final" ALTERNATIVE_JRE_ENABLED="true" ALTERNATIVE_JRE_PATH="11">
+  <configuration default="false" name="WildFly" type="JBossConfiguration" factoryName="Local" APPLICATION_SERVER_NAME="WildFly 4.6 server" ALTERNATIVE_JRE_ENABLED="true" ALTERNATIVE_JRE_PATH="11">
     <option name="OPEN_IN_BROWSER" value="false" />
     <option name="UPDATING_POLICY" value="restart-server" />
     <deployment />
Index: lams_central/web/includes/javascript/authoring/authoringGeneral.js
===================================================================
diff -u -r9ef76e4212bf7378838f86705eddf881ea02f813 -rcd6a78ef5a41f75b352b20176b35a96c554f1ba9
--- lams_central/web/includes/javascript/authoring/authoringGeneral.js	(.../authoringGeneral.js)	(revision 9ef76e4212bf7378838f86705eddf881ea02f813)
+++ lams_central/web/includes/javascript/authoring/authoringGeneral.js	(.../authoringGeneral.js)	(revision cd6a78ef5a41f75b352b20176b35a96c554f1ba9)
@@ -1,4 +1,4 @@
-/**
+/**
  * This file contains main methods for Authoring.
  */
 
@@ -1343,7 +1343,7 @@
 			var activity = null;
 			if (!onlyDetachedLeft) {
 				$.each(activitiesCopy, function(){
-					if (this.transitions.to.length > 0) {
+					if (this.transitions && this.transitions.to.length > 0) {
 						activity = this;
 						// crawl back using "to" transition all the way to the beggining of sequence
 						while (activity.transitions.to.length > 0) {
@@ -3450,4 +3450,4 @@
 		 var snapped = Snap.snapTo(layout.snapToGrid.step, input, layout.snapToGrid.step / 2);
 		 return skipPadding ? snapped : Math.max(snapped, layout.snapToGrid.padding);
 	 }
-};
+};
\ No newline at end of file