https://community.appian.com/discussions/f/administration/18314/appian-do-not-start-in-after-19-4-upgradationHi All, we recently tried to upgrade appian from 19.2 to 19.4 , but even though all the services are started, we keep on getting the error saying Caused by: org.apache.kafka.common.errors.TimeoutException: Timed out waiting for a node assignmenten-USTelligent Community 12https://community.appian.com/thread/72819?ContentTypeID=1Mon, 23 Mar 2020 18:40:24 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:7d613b97-1a7f-4560-a4bc-8c60727b7156rafaelar0001<p>I had the same problem before, try to install all over again and see if it will work.</p><div style="clear:both;"></div>