When trying to refund an order you may encounter the following error message: The section could not be loaded. Value cannot be null. Parameter name: source
Transactions processed over 180 days ago in BBMS cannot be refunded by the merchant account as of Nov 2014. Transactions prior to that had 60 days to refund. This error is due to a refund being attempted for a transaction over 180 days ago. One of the methods in this article will need to be used in this circumstance.
Steps to Duplicate
Click sales > order search
Type in the order number and click the search button
Click on the order number
Click refund order under task
After clicking the refund button this error message may appear: The section could not be loaded. Value cannot be null. Parameter name: source