Resolve Meta Ads Billing Glitch

My Meta Ads account is currently restricted because the system insists I have an outstanding balance, yet every ledger line shows zero. I have prepaid additional funds, swapped in multiple Visa and debit cards, and still the payment error remains... (Budget: $10 - $30 USD, Jobs: Account Management, Billing, Digital Marketing, HTML, JavaScript, PHP, Troubleshooting, WordPress)