Index: branches/5.2.x/core/admin_templates/js/forms.js
===================================================================
diff -u -N -r16570 -r16647
--- branches/5.2.x/core/admin_templates/js/forms.js	(.../forms.js)	(revision 16570)
+++ branches/5.2.x/core/admin_templates/js/forms.js	(.../forms.js)	(revision 16647)
@@ -102,7 +102,7 @@
 	}*/
 
 	if ( typeof(first_error[prefix]) == 'undefined' || first_error[prefix] == false ) {
-		first_error[prefix] = [field, element];
+		first_error[prefix] = [field, $input_fields.length > 0 ? $input_fields.first().attr('id') : element];
 	}
 }