undefined method `xy' for nil:NilClass
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/setting.rb:122:in `check_coordinate'
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/extend.rb:1136:in `targeting_process'
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/scenes.rb:644:in `block in main_battle'
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/scenes.rb:639:in `times'
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/scenes.rb:639:in `main_battle'
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/IMPERIALIZER.rb:193:in `block in <main>'
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/IMPERIALIZER.rb:60:in `loop'
C:/Users/kouno/AppData/Local/Temp/ocr29A9.tmp/src/IMPERIALIZER.rb:60:in `<main>'