Index: openacs-4/contrib/packages/simulation/lib/tasks.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/contrib/packages/simulation/lib/Attic/tasks.tcl,v
diff -u -r1.2 -r1.3
--- openacs-4/contrib/packages/simulation/lib/tasks.tcl	19 Dec 2003 14:00:38 -0000	1.2
+++ openacs-4/contrib/packages/simulation/lib/tasks.tcl	19 Dec 2003 14:22:53 -0000	1.3
@@ -13,6 +13,10 @@
     }
 }
 
+if { [empty_string_p $case_id] } {
+    unset case_id
+}
+
 set package_id [ad_conn package_id]
 
 set elements {