No. The IRS just took long last year to process 2019 returns so the AGI didn't get entered in time especially for mailed returns. Most people had to enter zero AGI to efile 2020. Nothing is wrong, don't worry about it.
You can go to the IRS and check. You can request a transcript from the IRS to make sure you filed
https://www.irs.gov/individuals/get-transcript
