Good day,
I am sorry you are in an "evil loop" regarding the AMT calculation.
I unfortunately do not have enough information to identify exactly what the issue is and or how to correct it.
Here is an article that provides insight to the AMT and what triggers it.
The AMT is calculated automatically from entries on your return along with additional entries you may make to adjust the calculation.
I do apologize that I was not able to provide a more specific answer to help you find your way.
Thank you for reaching out to the TurboTax Community.
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