rbot's note command doesn't work.

[antdude]

I notiecd my rbot's note command doesn't work anymore. Its debug log shows:

...
D, [2025/05/17 18:36:06 #1766227] DEBUG -- ircsocket.rb:387:in `gets': RECV: ":BetaAnt!ant@localhost PRIVMSG #bots :flexo note ant test"
D, [2025/05/17 18:36:06 #1766227] DEBUG -- irc.rb:643:in `initialize': new netmask "BetaAnt!ant@localhost" casemap=NilClass server=irc1.REMOVEDNAME.com server#casemap=Irc::AsciiCasemap
D, [2025/05/17 18:36:06 #1766227] DEBUG -- plugins.rb:1041:in `delegate': fast-delegating listen
D, [2025/05/17 18:36:06 #1766227] DEBUG -- journal.rb:348:in `publish': journal publish message in irclog: {:type=>"priv", :addressed=>true, :replied=>false, :identified=>false, :source=>"BetaAnt", :source_user=>"owner", :source_address=>"ant@localhost", :target=>"#bots", :server=>"irc1.REMOVEDNAME.com", :message=>"flexo note ant test"}
D, [2025/05/17 18:36:06 #1766227] DEBUG -- plugins.rb:1057:in `delegate': slow-delegating message
D, [2025/05/17 18:36:06 #1766227] DEBUG -- plugins.rb:1080:in `privmsg': Delegating privmsg #<Irc::PrivMessage:0x00007f55136638d8 bot=#<Irc::Bot:0x00007f55210f92b8> server=irc1.REMOVEDNAME.com time=2025-05-17 18:36:06 -0700 source=BetaAnt target=#bots message="note ant test" logmessage="flexo note ant test" plainmessage="flexo note ant test" plugin="note" params="ant test" channel=#bots (reply to #bots) (public) (addressed to me)> with pluginkey "note"
D, [2025/05/17 18:36:06 #1766227] DEBUG -- plugins.rb:1108:in `privmsg': Command note isn't handled
D, [2025/05/17 18:36:06 #1766227] DEBUG -- plugins.rb:1041:in `delegate': fast-delegating unreplied
E, [2025/05/17 18:36:06 #1766227] ERROR -- plugins.rb:1053:in `rescue in block in delegate': Plugin markov unreplied() failed:
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : #<NoMethodError: undefined method `first' for "note":String>
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/data/rbot/plugins/markov.rb:567:in `block in random_markov'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/data/rbot/plugins/markov.rb:566:in `each'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/data/rbot/plugins/markov.rb:566:in `random_markov'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/data/rbot/plugins/markov.rb:616:in `unreplied'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/plugins.rb:1049:in `block in delegate'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/plugins.rb:1045:in `each'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/plugins.rb:1045:in `delegate'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/plugins.rb:1122:in `irc_delegate'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/ircbot.rb:562:in `block in initialize'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/rfc2812.rb:1524:in `handle'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/rfc2812.rb:1419:in `process'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/lib/rbot/ircbot.rb:942:in `mainloop'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : /home/ant/bin/rbot/bin/rbot:123:in `<top (required)>'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : ./launch_here.rb:68:in `load'
E, [2025/05/17 18:36:06 #1766227] ERROR --                                                 : ./launch_here.rb:68:in `<main>'
D, [2025/05/17 18:36:06 #1766227] DEBUG -- reaction.rb:241:in `unreplied': testing #<Irc::PrivMessage:0x00007f55136638d8 bot=#<Irc::Bot:0x00007f55210f92b8> server=irc1.REMOVEDNAME.com time=2025-05-17 18:36:06 -0700 source=BetaAnt target=#bots message="note ant test" logmessage="flexo note ant test" plainmessage="flexo note ant test" plugin="note" params="ant test" channel=#bots (reply to #bots) (public) (addressed to me)> for reactions
...

My rbot is "v. 0.9.15 (master branch, revision 6d3eb99 [fix: NameError about unknown exception], 2 files
changed) [2 months, 16 days, 3 hours, 16 minutes and 6 seconds ago] rubybot, (c) Giuseppe Bilotta and the rbot
development team - https://ruby-rbot.org".