Index: openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl,v
diff -u -r1.26 -r1.27
--- openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl	10 Jan 2009 21:08:28 -0000	1.26
+++ openacs-4/packages/xotcl-request-monitor/tcl/throttle_mod-procs.tcl	10 Jan 2009 21:28:51 -0000	1.27
@@ -816,6 +816,8 @@
   Object create dump
   dump set file ${logdir}/throttle-data.dump
   dump proc read {} {
+    # make sure, timestamp exists as an array
+    array set Users::timestamp [list]
     if {[file readable [my set file]]} {source [my set file]}
     # In case, we are loading an old dump file with less date, 
     # make sure we keep have after the load the aggregated values