TkChat unable to login

Unable to log in with both jabber (error log):
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09:05:00 debug     OPENSTREAM to all.tclers.tk on sock57ff87f16900
09:05:00 debug     ClientCB: jlibName=::jlib::jlib2, cmd=connect, args=''
09:05:00 debug     ConnectProc args 'from all.tclers.tk id a3qzstyiwpeb6il9je1wg6qa2hfdxmp8pg8h9706 version 1.0 xmlns http://etherx.jabber.org/streams'
09:05:00 debug     SendAuth: Logging in as brain@all.tclers.tk/tkchat
09:05:18 debug     RegisterCB: type=error, theQuery='not-allowed {Method Not Allowed. the recipient or server does not allow any entity to perform the action.}'
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And IRC:
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09:05:41 debug     Progress 0 0
09:05:41 info      fetchurl (http://www.tcl.tk/cgi-bin/tct/tip/tclIndex.txt): HTTP/1.1 301 Moved Permanently
09:05:41 debug     Progress 0 0
09:05:41 info      fetchurl (http://tclers.tk/conferences/tcl/?pattern=*.tcl): HTTP/1.1 200 Data follows
09:05:41 debug     Progress 0 0
09:05:41 debug     history meta: Date {Mon, 11 Mar 2024 13:05:09 GMT} Server {Tcl-Webserver/3.5.1 May 27, 2004} Connection Close Content-Type text/html Content-Length 2873 Content-Type {text/html;charset=utf-8} Cache-Control no-cache
09:05:41 debug     Logs: {2024-03-05.tcl 43k 2024-03-06.tcl 13k 2024-03-07.tcl 26k 2024-03-08.tcl 16k 2024-03-09.tcl 12k 2024-03-10.tcl 10k 2024-03-11.tcl 7k}
09:05:41 info      fetchurl (http://tkchat.tcl.tk/current.html): HTTP/1.1 200 Data follows
09:05:41 debug     Progress 0 0
09:05:43 debug     History loading completed.
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Using the TkChat desktop application.  I think I may have it misconfigured, but I'm not sure how.  Launching from a Tcl shell script that runs `wish AppMain.tcl $argv`