undefined method `change_animation' for nil:NilClass
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/unit.rb:350:in `animation_default'
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/extend.rb:451:in `move_mode_reset'
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/battle_end.rb:578:in `clear_stage'
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/extend.rb:232:in `player_control?'
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/scenes.rb:241:in `main_battle'
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/IMPERIALIZER.rb:193:in `block in <main>'
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/IMPERIALIZER.rb:60:in `loop'
C:/Users/kouno/AppData/Local/Temp/ocrB539.tmp/src/IMPERIALIZER.rb:60:in `<main>'