Brave ads are not showing after the latest browser update

Briefly describe your issue:

Brave ads are not showing and brave://rewards-internals/ gives the following error:

Response Status Code: 400
Response: “Invalid Request R1”
INFO:redeem_unblinded_payment_tokens.cc(123)] Failed to redeem unblinded payment tokens

What Operating System and Brave version are you using (Menu --> About Brave)?

Windows 10
Version 1.31.91 Chromium: 95.0.4638.69 (Official Build) (64-bit)

Is your browser wallet currently verified? (yes/no)

no

What date did you verify your wallet?

n/a

Have you been able to successfully receive payments in the past?

yes

Are you using a VPN? (yes/no)

yes

Are you in a supported region (see here for list of supported regions)?

yes

Does your device pass the SafteyNet check (Android only)?

n/a

Have you manually turned off Auto-contribute on all of your devices linked to Uphold??

Auto-contribute is off

Ads don’t display for me since August: No payout, no ads, next payment in October?

I’ve updated Brave to Version 1.32.106 Chromium: 96.0.4664.45 (Official Build) (64-bit) and I’m still getting the same error.

Response Status Code: 400
Response: “Invalid Request R1”
PM:INFO:redeem_unblinded_payment_tokens.cc(116)] Failed to redeem unblinded payment tokens

Can someone please explain this “Invalid Request R1” error? How can I check if my wallet is somehow blocked?

Is anyone from the support even looking at this?