Generally, this happens if your Apple Developer Program membership expires, your apps will no longer be available for download and you will not be able to submit new apps or updates.
In this case, you need to login to your Apple account and renew the membership agreement.
Please refer to the article for more details to renew the membership - https://developer.apple.com/support/renewal/
If further assistance is required, submit a ticket to Punchh Support. (For help submitting a ticket, click here)