Index: openacs-4/packages/chat/www/chat-transcript.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/chat-transcript.tcl,v
diff -u -r1.5 -r1.6
--- openacs-4/packages/chat/www/chat-transcript.tcl	20 Jun 2016 08:37:04 -0000	1.5
+++ openacs-4/packages/chat/www/chat-transcript.tcl	20 Jan 2018 22:56:50 -0000	1.6
@@ -21,6 +21,7 @@
 
 if { [catch {set room_name [chat_room_name $room_id]} errmsg] } {
     ad_return_complaint 1 "[_ chat.Room_not_found]"
+    ad_script_abort
 }
 
 template::head::add_style -style "#messages { 
@@ -37,3 +38,4 @@
 #messages .line {margin:0px;}"
 
 ad_return_template
+