Problem: Configured reminders but no emails arriving Verify Portal > Scheduled Emails shows mission as "Active" Check that Daily Send Time is configured (should show as HH:MM) Ensure at least one Reminder Schedule value is set (1-365) Verify WordPress email is working (test with other plugins) Check that invoice is not marked as paid (paid invoices don't send reminders) Check WordPress error logs for mail delivery errors Verify Portal API client is configured in Portal settings Problem: Placeholder (e.g., {customer_name}) shows literally in email Verify placeholder spelling matches exactly (case-sensitive) Check that curly braces { } are used (not parentheses or brackets) Ensure invoice has required meta (customer name, email, amount, due date) Check reference guide in settings for