The Clear Personal Super Details Alert (Modal) is conditionally displayed when

1. Use Employer Superannuation Guarantee Contribution Details? is deselected.
2. The Superannuation Fund has been unassigned from the Payee.

If you wish to clear the Payee's Superannuation Fund, select Ok. 

If you do not wish to continue removing the Payee's Superannuation Fund, select Cancel,