Fix YouTube Adsense Verification

I need help resolving an issue with YouTube Adsense integration. I'm currently unable to complete the identity verification process due to a system error and need assistance validating my identity and adding a payment method.

Requirements:
- Fix verification system error
- Resolve document-related issues
- Validate and add payment method

Ideal Skills and Experience:
- Experience with YouTube Adsense
- Familiarity with identity verification processes
- Problem-solving skills
- Attention to detail