A condition has been identified that's preventing your access to this service Error message IRS identity verification

 What is Error code 2001  As per IRS

After verifying your identity, you may see an IRS message saying that “A condition has been identified that's preventing your access to this service.” If you see this message, please try to sign-in again later.

If you continuously receive this message, this means that you won’t be able to use the online service. Select the “view your alternatives” button on the error page to learn about alternatives for completing your transaction.

https://www.irs.gov/individuals/secure-access-how-to-register-for-certain-online-self-help-tools#collapseCollapsible1636721025763

Also check How to Register for Certain Online Self-Help Tools for more help.

If you need help verifying your identity or to submit a support ticket, you can visit the ID.me IRS Help Site.