Error in my account after changing Interface language

#1

I changed the interface language and as I saved the setting it showing me Error page for my account.

As I login it Just show error page nothing else. Other account are working

#2

Mastodon%20error
Mastodon error.JPG1361×687 49.8 KB

#3

@saper My account is locked out can you provide any way revert back the interface language