To recalculate the arrears for invoices, follow these steps:
Step 1 : Go to Income tracker - ->> Member Income.
Step 2 : Go to the 'Bulk Correction' tab.

Note: If you don't have access to this feature, please contact the moderator to grant you access.
Step 3 : Click on 'Recalculate arrears'
Step 4 : Fetch the invoices to recalculate the arrears.
Step 5 : Cross-check the fetched data, and click on "Recalculate Arrears".