Index: openacs-4/packages/acs-lang/tcl/lang-message-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-lang/tcl/lang-message-procs.tcl,v
diff -u -N -r1.56 -r1.57
--- openacs-4/packages/acs-lang/tcl/lang-message-procs.tcl	16 Nov 2017 13:05:50 -0000	1.56
+++ openacs-4/packages/acs-lang/tcl/lang-message-procs.tcl	8 Mar 2018 07:45:52 -0000	1.57
@@ -51,8 +51,10 @@
         set missing_vars [util_get_subset_missing $embedded_vars $embedded_vars_en_us]
 
         if { [llength $missing_vars] > 0 } {
-            error "Message key '$key' in locale '$locale' has these embedded variables not present in the en_US locale:\
-		[join $missing_vars ","]."
+            set msg "Message key '$key' in locale '$locale' has these embedded variables not present in the en_US locale:\
+ 		[join $missing_vars ","]."
+            ad_log error $msg
+            error $msg
         }
     }