Index: openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl,v
diff -u -N -r1.338 -r1.339
--- openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl	21 Dec 2017 20:44:58 -0000	1.338
+++ openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl	17 Jan 2018 21:50:57 -0000	1.339
@@ -1546,7 +1546,7 @@
       foreach css [$context_package_id get_parameter extra_css ""] {::xo::Page requireCSS -order 10 $css}
       # refetch template_file, since it might have been changed via set-parameter
       # the cache flush (next line) is not pretty here and should be supported from xotcl-core
-      catch {::xo::cc unset cache([list $context_package_id get_parameter template_file])}
+      ::xo::cc unset -nocomplain cache([list $context_package_id get_parameter template_file])
       set template_file [:query_parameter "template_file" \
                              [::$context_package_id get_parameter template_file view-default]]
       #