Hello!
For UHRS-related issues, you should contact the support team of the vendor you are using to access UHRS. Since you mentioned using Toloka, you can reach out to Toloka's support team for assistance. They will be able to investigate your account and help resolve any issues you are facing.
Here's the link:
Support | Toloka documentation
Toloka support: what it covers and can help with. Part 1
I hope this information is helpful, and please let me know if you have any further questions!
Best regards,
Karlie Weng