A problem

[aksr]

/usr/lib/ruby/1.9.1/psych.rb:203:in parse' /usr/lib/ruby/1.9.1/psych.rb:203:inparse_stream' /usr/lib/ruby/1.9.1/psych.rb:151:in parse' /usr/lib/ruby/1.9.1/psych.rb:127:inload' /usr/lib/ruby/1.9.1/psych.rb:297:in block in load_file' /usr/lib/ruby/1.9.1/psych.rb:297:inopen' /usr/lib/ruby/1.9.1/psych.rb:297:in load_file' /home/aksr/.wmii-hg/lib/wmiirc/loader.rb:80:inload_user_session' /home/aksr/.wmii-hg/lib/wmiirc/loader.rb:117:in load_user_config' /home/aksr/.wmii-hg/lib/wmiirc/loader.rb:23:inrun' /home/aksr/.wmii-hg/wmiirc:5:in `

'

[sunaku]

Delete your ~/.wmii/session.dump file. It may have become corrupted.