Why is profile pic not changing anymore?

[Xoax]

My profile is being annoying and not letting me change my Icon.
I've done it before thats why I have my banjo-squirrel, but it isn't
working anymore. :/ The pic I want is below. VVV

[Ad Bot]

[FlyGuy45]

To large, rescale to 75x75.

[Xoax]

Thats what I thought originally but i didn't know max size.
Okay thanks. lock