--- title: Could not find property skipFirstTimeSetupCheck error slug: '2756' canonical_url: https://docs.coveo.com/en/2756/ collection: coveo-for-sitecore-v5 source_format: adoc --- # Could not find property skipFirstTimeSetupCheck error ## Symptoms You have a multi-server setup and have either: * just performed a fresh install of the November 2018 or December 2018 version of Coveo for Sitecore 5 * just upgraded from Coveo for Sitecore 4 to Coveo for Sitecore 5. Sitecore raises the following error on your content delivery (CD) servers: ```text 15964 20:53:59 ERROR Error loading hook: Exception: System.InvalidOperationException Message: Could not find property 'skipFirstTimeSetupCheck' on object of type: Coveo.AbstractLayer.CoveoDefaultIndexConfiguration Source: Sitecore.Kernel at Sitecore.Configuration.DefaultFactory.AssignProperties(Object obj, Object[] properties) at Sitecore.Configuration.DefaultFactory.AssignProperties(XmlNode configNode, String[] parameters, Object obj, Boolean assert, Boolean deferred, IFactoryHelper helper) at Sitecore.Configuration.DefaultFactory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert, IFactoryHelper helper) ``` ## Cause The Coveo for Sitecore `` element was not removed from the November 2018 and December 2018 Coveo for Sitecore 5 package configuration files. ## Resolution . On one of your CD servers, open the `\App_Config\Include\Coveo\Coveo.SearchProvider.Custom.config` file in a text editor. . Add a `patch:delete` for the `` element. . Save your changes. . Repeat steps 1 to 3 on each of your CD servers. . (Optional) Though you don't need to delete the `` element in your CM configuration files as it's not taken into account on CMs, you might want to do so nonetheless.