Getting below error while adding a life event

Summary: I am getting below error when trying to add a life event:

 There was a problem saving the elections because another enrollment exists in the same element that this enrollment uses. (BEN-991105)

Element LIF ER, Rate Basic Life $100,000 Rate, Effective date 2023-11-01.

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 There was a problem saving the elections because another enrollment exists in the same element that this enrollment uses. (BEN-991105)

Element LIF ER, Rate Basic Life $100,000 Rate, Effective date 2023-11-01.