AP Prepayment invoice - This action isn't applicable for the invoice in its current state.

Summary:

Hi All

Please assist

I have a Prepayment invoice that is is in paid status , validated and approved . I have unapplied the prepayment to the standard invoice

I cannot account for the un-applying

Error message" This action isn't applicable for the invoice in its current state"

I also want to void its related payment however the Void option is not available on the "Manage Payments'' page

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