You cant delete the Assignment because corresponding Assignment supervisor Record exists

Summary:

We are trying to change Synchronization Actions to Assignment change using HDL. We have successfully done so in the past, but we are now getting this error below.

I am unsure of how to resolve. The two dates are 12/5/2023 - 12/31/4712 and 11/7/2023-12/4/2023 both of which are future dated.

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