undefined method `category' for nil:NilClass
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/battle_animation.rb:629:in `draw!'
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/battle_indicator.rb:304:in `block in message'
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/battle_indicator.rb:300:in `each'
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/battle_indicator.rb:300:in `message'
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/scenes.rb:688:in `main_battle'
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/IMPERIALIZER.rb:205:in `block in <main>'
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/IMPERIALIZER.rb:60:in `loop'
C:/Users/flatfoot/AppData/Local/Temp/ocr9F05.tmp/src/IMPERIALIZER.rb:60:in `<main>'