If you receive an error message telling you that a payment has failed as it has already been paid in your accounting package follow the steps below:

First, go into Xero and find the invoice. Ensure that the payment exists correctly,

If the payment exists correctly in Xero:

1. Go to Commusoft
   
   
2. Click Settings > Company Settings > Accounting interface 
   
   
3. You will see the accounting interface dashboard. Click View in the failed section
   
   
4. Click on the Payments tab
   
   
5. Select the failed record, click Mark as do not send in the top right of this page
   
   

If the payment doesn't exist correctly in Xero:

1. Go to Commusoft
   
   
2. Click Settings > Company Settings > Accounting interface 
   
   
3. You will see the accounting interface dashboard. Click View in the failed section
   
   
4. Click on the Payments tab
   
   
5. Select the failed record, click Re-send records in the top right of this page