Today I wanted to create rating. A added all I need, saved and then I saw bug window on cf. Who had fixed it before?

I caught similar bug after rollback of correction in blog.

Rating: https://mirror.codeforces.com/group/rXA6oDkdyg/customrating/2626

Correction: https://mirror.codeforces.com/topic/90828

Ps: Ping geranazavr555.

UPD: second part was solved: I log out and then log in in account. First part is not solved yet.

UPD: first part is provlem with SPbSU contest on codeforces.