Yes, if you saved your tax file to a cloud type drive, then download it to work with it, it can become corrupted.
Check your computer; you should have a backup file in the TurboTax > Documents folder. You can't Amend a return you don't have; if you can't locate a back-up copy, you'll have to start over to prepare a 2023 return, or you can get an IRS Transcript if you filed a 2023 return.
MAX benefits are for help with Audits or identity Protection. Here's more info on MAX Benefits.
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