Try answering the personal security questions again, following these tips:

• Pull a copy of your credit report from Experian, a credit reporting company, and use it to double-check that the answers you’re providing to ID.me during the proofing process match the information in your report.
  Go to Experian.com to get your credit report
• If you think your credit report has the wrong information, you’ll need to file a dispute with Experian.
  Go to Experian.com to file a dispute
• If you’ve recently moved, changed names, or have a different permanent address, try using your previous information.
• Make sure you enter a phone number that’s registered in your name.