Thanks for reaching out to us for this issue, this seems to be a known issue for some of Bing Search accounts, you can open a support ticket for this issue to unblock it.
Please let me know if you have no support plan, I am happy to enable you a free ticket for this issue to unblock your account, if you have a support plan, please raise a ticket and share the tracking ID so that we can track it.
I hope this helps. Please let me know if you have any other questions!
Regards,
Yutong
-Please kindly accept the answer if you feel helpful to support the community, thanks a lot.