Sitecore 10.2 error: Failed to start service 'Sitecore Marketing Automation Engine Service" I was facing an issue restarting "Sitecore Marketing Automation Engine Service" and getting the below error: Application: Sitecore.MAEngine.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.InvalidOperationException at Sitecore.XConnect.Client.XConnectClientConfiguration.CheckInitialized() at Sitecore.XConnect.Client.XConnectClientConfiguration.get_CurrentModel() at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitFactory(Microsoft.Extensions.DependencyInjection.ServiceLookup.FactoryCallSite, Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext) at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2[[Microsoft.Extensions.DependencyInjection.ServiceLookup.RuntimeResolverContext, Microsoft.Ext