There are two alerts (modals) displayed in Superannuation Manager,
Selected Period has not ended Alert (Modal)
The Selected Period has not ended Alert (Modal) is displayed once Create Superannuation File is selected if the Period End Date the file is being created for is in the future. This alert is to warn you that if you continue, any pay run processed after this date will need to be submitted in a separate superannuation file.
To resolve this Alert, select Acknowledge to continue creating the Superannuation File or select Cancel and wait until the period end date is in the past.
Selected Period Previously Created Alert (Modal)
The Selected Period Previously Created Alert (Modal) is conditionally displayed when the Organisations Superannuation File Format is set to SAFF, and the same Superannuation Funds and Payees have been selected as the last time this Period (Month or Quarter) was created. Due to the SAFF requirements, the previous reference, Number, is used.