help ! I cannot add domain

Hello, admin
I cannot add domain.

I have my domain and I want to “add” or “park” domain to my account. But result is …
Addon Domains : is already assigned and in use.3
Parked Domain Management (Aliases) : is already assigned to an account and in use on another account…

Could you pleace check my account situation and teach me how to fix this trouble.
I prefer addon domain.

I have changed my nameservers to -

Please help.

The domain name is currently hosted with ProFreeHost. You need to delete your domain name from there first before you can add it to InfinityFree.

Thank you admin!
I delete my domain name from ProFreeHost. Now, I can add my domain to this account!
Thank you sooo mach!