The only thing I can think of is to ...In Forms Mode....make sure you delete every 1099-R form you have listed in the left-side window...then see what's in 4b and 5b before re-entering it.
And don't use Forms Mode for your actual 1099-R re-entry...use the Interview for that.
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Beyond that, only a Diagnostic File could be used to troubleshoot it from the TTX Support end.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
