no implicit conversion from nil to integer
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/status_for_battle.rb:599:in `[]'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/status_for_battle.rb:599:in `block in command_setting'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/status_for_battle.rb:403:in `each'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/status_for_battle.rb:403:in `each_with_index'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/status_for_battle.rb:403:in `command_setting'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/command_weapon.rb:1419:in `quick_base_mode_change'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/command_weapon.rb:1161:in `block in choose_attack'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/command_weapon.rb:1154:in `times'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/command_weapon.rb:1154:in `choose_attack'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/scenes.rb:891:in `main_battle'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/IMPERIALIZER.rb:167:in `block in <main>'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/IMPERIALIZER.rb:41:in `loop'
C:/Users/hoge/AppData/Local/Temp/ocr90DA.tmp/src/IMPERIALIZER.rb:41:in `<main>'