This is a known issue that will be fixed in a future update.
When is the next update to fix the charitable contribution limits
In order to be able to claim the $300 ($600 for married filing joint) charitable deduction for non-itemizers you must have entered your charitable deductions under the Deductions and Credit screen under Donations to Charity 2021.
If you are still having difficulties or receiving an error message when you try to claim the $300 ($600 for married filing joint) as a non-itemizer on your 1040, below are instructions on how to fix that problem. The cause may be due to past state return donations being automatically transferred over to your current return. This will cause the donation amount on your return to not match with what you have listed in your return. If the amount transferred is less than the amount entered it may trigger the error message. Use the following steps to review your 2021 charitable contributions and add any additional donations.
Charitable Deduction for Non-Itemizers
In order to be able to claim the $300 ($600 for married filing joint) charitable deduction for non-itemizers, you must have entered your charitable deductions under the Deductions and Credit screen under Donations to Charity 2021.
If you are still having difficulties or receiving an error message when you try to claim the $300 ($600 for married filing joint) as a non-itemizer on your 1040, below are instructions on how to fix that problem. The cause may be due to past state return donations being automatically transferred over to your current return. This will cause the donation amount on your return to not match with what you have listed in your return. If the amount transferred is less than the amount entered it may trigger the error message. Use the following steps to review your 2021 charitable contributions and add any additional donations.
Charitable Deduction for Non-Itemizers