After Effects warning: internal verification failure, sorry! {child not found in parent}

[!Aleksandr!]

Hi

I have a problem with after effects. When i wanna put an effect i have a problem(screenshot).

I tried everything, but it doesnt help and i couldnt find solution of this problem. 

Please smb help me

[ToolfarmJP]

Would you try to sign in by Adobe desktop tool instead?