https://www.irs.gov/coronavirus/get-my-payment-frequently-asked-questions#paymentnot
To ensure the information is entered correctly, please use the help tips provided when entering the information requested to verify your identity. If the information you enter does not match our records, you will receive an error message. Check the information requested to ensure you entered it accurately. You may want to check your most recent tax return or consider if there is a different way to enter your street address. If the information you enter does not match our records multiple times, you will be locked out of Get My Payment for 24 hours for security reasons. There is no need to contact the IRS.
