In addition to the information shared by user michaelmcguigan, you may be seeing the message that you do not qualify for the credit because you do not have a tax liability on your return.
The Saver's Credit is a non-refundable credit. If there is no tax liability, there is no need to claim the credit because it will not add directly to your refund.
See the following TurboTax article for more details: What is the 2019 Saver's Credit?
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
