Index: openacs-4/packages/chat/tcl/chat-ajax-procs.tcl =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/chat/tcl/chat-ajax-procs.tcl,v diff -u -r1.12.2.6 -r1.12.2.7 --- openacs-4/packages/chat/tcl/chat-ajax-procs.tcl 1 Dec 2016 17:56:59 -0000 1.12.2.6 +++ openacs-4/packages/chat/tcl/chat-ajax-procs.tcl 4 Apr 2017 14:52:59 -0000 1.12.2.7 @@ -124,7 +124,9 @@ {-uid ""} msg } { - :check_valid_room + if {![chat_room_exists_p [:chat_id]]} { + return + } # ignore empty messages if {$msg eq ""} return