Index: openacs-4/packages/xotcl-core/tcl/00-serializer-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-core/tcl/00-serializer-procs.tcl,v
diff -u -r1.4 -r1.5
--- openacs-4/packages/xotcl-core/tcl/00-serializer-procs.tcl	26 Jan 2008 00:58:59 -0000	1.4
+++ openacs-4/packages/xotcl-core/tcl/00-serializer-procs.tcl	26 Jan 2008 01:17:10 -0000	1.5
@@ -1,4 +1,11 @@
 # $Id$
+if {![info exists ::xotcl::version]} {
+  ns_log notice "**********************************************************"
+  ns_log notice "OOPS, apparenty you have no XOTcl installed on your aolserver."
+  ns_log notice "Please install XOTcl on your system(see http://openacs.org/xowiki/xotcl-core)"
+  ns_log notice "**********************************************************"
+  return
+}
 if {$::xotcl::version < 1.5} {
   ns_log notice "**********************************************************"
   ns_log notice "This version of xotcl-core requires at least XOTcl 1.5.0."