Index: openacs-4/packages/xowiki/tcl/xowiki-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-procs.tcl,v
diff -u -N -r1.502 -r1.503
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	22 Dec 2017 13:51:41 -0000	1.502
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	20 Jan 2018 22:55:39 -0000	1.503
@@ -1902,6 +1902,7 @@
       set errorInfo $::errorInfo
       if {[string match "*for parameter*" $errorMsg]} {
         ad_return_complaint 1 [ns_quotehtml $errorMsg]
+        ad_script_abort
       } else {
         ad_log error "render_includelet $includeletClass led to: $errorMsg ($errorCode)\n$errorInfo"
         set page_name [$includelet name]