an example of what can happen if you fiddle with the worksheets.
If it is your first time at this, 4b should be empty not zero. to clear 4b I think you have to clear the unrecovered amount field, if I remember correctly.
4a is used the first time.
Turbotax will prorate that and save the numbers for next year.
you'll never use 4a again, unless you are starting over.
Try using the Q&A and read the questions carefully.; It may straighten itself out.
