You and XXX were working on this at the same time. XXX finished before you did, so your work was not saved.

By teamprinceton | May 3, 2017 |

If you have ever tried Postman for interacting with WebAPI’s, following is a typical issue you would’ve faced. When you try to update a record in Quickbooks sandbox using an Update statement you might’ve come across this Authentication error for the very first time.       “<Message>= Application Authentication failed; errorCode 003200; statusCode=401 </Message>” … Continue reading “You and XXX were working on this at the same time. XXX finished before you did, so your work was not saved.”

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