The error (Unable to create return please try again! ErrorMessage:An Error Occurred when Updating Inventory Message: An error occurred while updating the entries. See the inner exception for details.) is produced when the comments field within the return page contains text that is more than one hundred characters long.
Please reduce the text size to less than one hundred characters then try and complete the return. If you continue to get errors after this change, please raise a new case online and reference the title of this article.
Unable to complete return

Written by Tom Higgs
Updated over a month ago