In the minecraft 1.20.51 Dressing room can't use

Hello I am from China and very like minecraft. There is bug in the 1.20.51 the dressing are not available to use. if we click it our game were crush,we can't change our skin. I have a server and many friends we all play in that. So that bug is very very bad. please repair it. Thank you! Mojang!!!!!!!!!!!!!