隣村で更新押したら
private method `sub' called for #<Player:0x84b7a14>
./vil.rb:607:in `up_attack'
./vil.rb:605:in `each'
./vil.rb:605:in `up_attack'
./vil.rb:765:in `night_update'
./vil.rb:846:in `update'
./index.rb:741:in `handle_vid'
./index.rb:738:in `transaction'
/usr/local/lib/ruby/1.8/pstore.rb:129:in `catch'
/usr/local/lib/ruby/1.8/pstore.rb:129:in `transaction'
./index.rb:738:in `handle_vid'
./index.rb:959:in `run'
./index.rb:983
index.cgi:7:in `require'
index.cgi:7
と出ます。