Question on amount in Box 11 from W-2 not included in Box 1

I have a W-2 from my previous employer where the amount in box 11 is significantly higher than the amount in box 1. Here is why:

Box 1 contains an amount of pre-paid executive life insurance payment and is documented in box 12 (code "C")

Box 11 contains a large amount which is a deferred executive pension. They've calculated an amount expected to be paid to me over the rest of my life (from an actuary table). The total is included in the medicare (box 5) and social security (box 3) becasue I (as the recipient) is required to pay those medicre and social security taxes up front on the total estimated amount. Then I pay the federal and state income taxes when i actually received the payments.

That being the case when i enter the W-2 information, Turbo Tax produces an error when i run the final check stating Box 11 should not be greater than box 11. How do I handle that?

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