Error: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index.- when refunding an order

When completing a refund you may receive Error: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index.
We are currently evaluating this issue and will update this article when we have more information.

 

Steps to Duplicate

  1. In Sales click Refunds.
  2. Enter order number and search.
  3. Error: Index was out of range. Must be non-negative and less than the size of the collection.
  4. Parameter name: index.
  5. Click OK.
  6. Note that there is nothing listed in the payment details window.
  7. Mark the check box to refund the items listed.
  8. Error: Object reference not set to an instance of an object.
Users receive the same error when refunding from the order record.

Environment

 Altru Arts & Cultural

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