so the skins are broken. Me and my friends skins wont fully load or will just show a default skin. They wont fully show up or things will be changed

skins wont load

Steps to Reproduce:

1. log into minecraft
2. make a custom skin
3. make a classic skin on the same one
4. log off
5. re log in
6. check the skins

Observed Results:
classic skin will show over custom skin no matter how many time you change it

Expected Results:
[Describe what should happen]

Screenshots/Videos attached: [please attach an image or short video]

Notes: