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 -r1.542.2.135 -r1.542.2.136
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	15 Jan 2022 16:17:05 -0000	1.542.2.135
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	18 Jan 2022 08:01:38 -0000	1.542.2.136
@@ -3838,6 +3838,8 @@
           dict set dict \
               [string range $name_and_spec 0 $p-1] \
               [string range $name_and_spec $p+1 end]
+        } else {
+          ad_log warning "get_short_spec_from_form_constraints: name_and_spec <$name_and_spec> is invalid"
         }
       }
       nsv_set parsed_fcs $varname $dict