Violation in image

Hello,

i just created my first character, but after 2 days it's now flaged as "violation", i recieved automatic messages saying violation is in Avatar

here is picture i use,

https://preview.redd.it/62omq6l8aedf1.png?width=918&format=png&auto=webp&s=baf8bd02dff9c1e330e81c23f32ac63ca88ba01f

i also see that in mobile app, character is flaged "violation", but on browser website version, it's still normal

character is set as private as i wanted to try first and make some ajustments

does anyone know how could i fixe that ?