SAP Message 1FA257 - You are not allowed to change full amount notice with account closure

Diagnosis
Changes to a full amount notice with closure are not allowed.

Procedure
You need to delete the full notice amount with closure first. Thendelete the account closure date that was originally entered, and thereference account for the account closure. Create a new full amountnotice and then maintain and save the account closure date and referenceaccount for the closure on the account.