Hello keskinoz! Thank you for reporting issue. All information submitted to our development team. Also a relevant issue [102.161302] registered in our issue tracking system. You may reference to this number later to find out its state. for a temporary solution, I can offer this: Insert the following code in WebApplication. public class DemoDockPanelsWebApplication : WebApplication { public DemoDockPanelsWebApplication() { InitializeComponent(); OptimizationSettings.AllowFastProcessListViewRecordActions = false; OptimizationSettings.AllowFastProcessLookupPopupWindow = false; OptimizationSettings.AllowFastProcessObjectsCreationActions = false; ActionsFastCallbackHandlerController.UseFastCallbackHandler = false; ListViewFastCallbackHandlerController.UseFastCallbackHandler = false; OptimizationSettings.LockRecoverViewStateOnNavigationCallback = false; OptimizationSettings.EnableNavigationControlDelayedCreation = false; } } Feel free to contact us if you need further assistance or have additional questions. Regards, Mariya On behalf of Xafari Client Services Team |