Fix Excel VBA Email Reminder

I already have an Excel workbook with a VBA module that should generate payment-due reminders through Outlook, but the e-mails repeat several times. Your first task will be to track down why the reminders... (Budget: £20 - £250 GBP, Jobs: Automation, Debugging, Documentation, Excel, Excel VBA, Microsoft Outlook, Office 365, PHP, Software Testing, Visual Basic)