The Scheduled Emails table displays all active and historical email missions with the following columns: Column Description Data Source Invoice Invoice number linked to edit page. Shows "Invoice not found" with error indicator if invoice has been deleted but mission still exists on server. Local: _invoice_number post meta, fallback to Invoice ID Customer Customer/client name (linked to Portal client if available) with email address displayed below. "Unknown Customer" shown if name unavailable. Local: _invoice_client_name and _invoice_client_email, or via linked _invoice_portal_client_id Amount Due Invoice total with currency symbol. Formatted via Multi-Currency plugin if active, otherwise plain numeric value. Local: _invoice_total post meta with apapi_invoice_display_total filter Due Date