Index: trunk/quest-ui-swt/src/main/java/de/ugoe/cs/quest/ui/swt/commands/CMDshowSequences.java
===================================================================
--- trunk/quest-ui-swt/src/main/java/de/ugoe/cs/quest/ui/swt/commands/CMDshowSequences.java	(revision 750)
+++ trunk/quest-ui-swt/src/main/java/de/ugoe/cs/quest/ui/swt/commands/CMDshowSequences.java	(revision 766)
@@ -1,5 +1,4 @@
 package de.ugoe.cs.quest.ui.swt.commands;
 
-import java.security.InvalidParameterException;
 import java.util.List;
 
@@ -44,5 +43,5 @@
         }
         catch (Exception e) {
-            throw new InvalidParameterException();
+            throw new IllegalArgumentException();
         }