Cannot GET /producers/326:%E3%82%B8%E3%83%A7%E3%82%BB%E3%83%95%E3%83%BB%E3%83%AD%E3%83%86%E3%82%A3%20/%20%E3%83%95%E3%82%A3%E3%83%AA%E3%83%83%E3%83%97%E3%83%BB%E3%83%AD%E3%83%86%E3%82%A3