https://community.appian.com/discussions/f/data/29184/how-does-the-data-service-handle-optimisticlockexceptionI have registered a CDT with @version columns available. When updating this CDT with OptimisticLockException using the Write To Data Store Entity Smart Service, the status of the Smart Service becomes &quot;not attended&quot; and the process stops. Are youen-USTelligent Community 12https://community.appian.com/thread/115417?ContentTypeID=1Mon, 03 Jul 2023 10:09:32 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:727c8520-8d6a-4baf-8042-356cd89f86dcStefan Helzle<p>This is how Appian handles that situation. How exactly would you want to handle that?</p><div style="clear:both;"></div>