It looks a strong warning. It is on the toilet door. What is it warning ?

https://i0.wp.com/saywhatjapan.com/wp-content/uploads/2018/03/DSC_0656-960x540.jpg?fit=960%2C540https://i0.wp.com/saywhatjapan.com/wp-content/uploads/2018/03/DSC_0656-960x540.jpg?resize=150%2C150TSHOTEL, SHOPconvenience store,Kobe,toiletIt looks a strong warning. It is on the toilet door. What is it warning ?- POST PHOTO ! HELP TRANSLATE JAPANESE ! ALL FREE !! -