Issue on walls

Bambu Lab A1 Series
1

I have printed on my A1 mini small storage box A1 Mini Front Storage Box, Purge Line Basket by jayburd - MakerWorld

But on my walls I see some visual defects,

photo_2024-02-21_09-38-32
photo_2024-02-21_09-38-32960×1280 33.2 KB

Maybe someone know how to fix it?