Index: trunk/autoquest-core-tasktrees/src/main/java/de/ugoe/cs/autoquest/tasktrees/temporalrelation/DefaultGuiElementSequenceDetectionRule.java
===================================================================
--- trunk/autoquest-core-tasktrees/src/main/java/de/ugoe/cs/autoquest/tasktrees/temporalrelation/DefaultGuiElementSequenceDetectionRule.java	(revision 988)
+++ trunk/autoquest-core-tasktrees/src/main/java/de/ugoe/cs/autoquest/tasktrees/temporalrelation/DefaultGuiElementSequenceDetectionRule.java	(revision 993)
@@ -156,5 +156,6 @@
             hierarchy = hierarchies.get(index);
 
-            exceedingGuiHierarchyDepth = hierarchyLevel >= hierarchy.size();
+            exceedingGuiHierarchyDepth =
+                hierarchy != null ? hierarchyLevel >= hierarchy.size() : true;
             nextGuiElementDiffers =
                 subsequenceHasStarted &&