no implicit conversion from nil to integer
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/unit_ex.rb:250:in `[]'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/unit_ex.rb:250:in `get_face_from_prof'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/status2.rb:1054:in `draw_top'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/status2.rb:138:in `operate'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/extend.rb:259:in `player_control?'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/scenes.rb:241:in `main_battle'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/IMPERIALIZER.rb:193:in `block in <main>'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/IMPERIALIZER.rb:60:in `loop'
C:/Users/kouno/AppData/Local/Temp/ocr4204.tmp/src/IMPERIALIZER.rb:60:in `<main>'