@Rohan56,
I know this is asking the obvious, but have you contacted Airbnb customer service? If so, were you able to speak with a person that could help you? Since the large layoffs of Airbnb employees in May, it's been very difficult to speak with someone that can actually provide assistance.
My other question is about the location of the accounts that you've tried to enter for your payout methods. Are the address and tax ID information that you have listed for yourself in the same country as the payout accounts? The reason why I ask is that many countries require a source of funds declaration for each inbound transfer of foreign funds. I go through this every time that I transfer money from the US to St. Lucia. I don't think that Airbnb can systematically support sending funds to anywhere other than the host's stated country of residence.
If none of my questions trigger a possible cause or solution, the next thing that I would suggest is to delete your account: https://www.airbnb.com/help/article/240/how-do-i-deactivate-or-delete-my-account. Then ask a family member or close friend to try to open an account (you will likely need a new email address), list your spaces, and add you as an additional tax payer on the account. You can then change the default payout tax payer to yourself: https://www.airbnb.com/help/article/417/how-do-i-change-my-taxpayer-information.