EP Error in Ax 2012 R3

Hi Experts,

I have created one new EP form,that form moved from one environment to other environment and trying to open a Form…showing below Error.

An unhandled error has occurred. To view details about this error, enable debugging in the web.config file or view the Windows event logs.

Object reference not set to an instance of an object.

Microsoft.Dynamics.Framework.Portal

at Microsoft.Dynamics.Framework.Portal.UI.WebControls.AxUserControlUpdatePanel.GetWebControlName()
at Microsoft.Dynamics.Framework.Portal.UI.WebControls.AxUserControlUpdatePanel.LoadHostedControl()
at Microsoft.Dynamics.Framework.Portal.UI.WebControls.AxUserControlUpdatePanel.AddHostedControl()
at Microsoft.Dynamics.Framework.Portal.UI.WebControls.AxUserControlUpdatePanel.OnInit(EventArgs e)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.AddedControl(Control control, Int32 index)
at Microsoft.Dynamics.Framework.Portal.UI.WebControls.WebParts.AxBaseWebPart.AddContentPanel()
at Microsoft.Dynamics.Framework.Portal.UI.WebControls.WebParts.AxBaseWebPart.CreateChildControls()
at System.Web.UI.Control.EnsureChildControls()
at Microsoft.Dynamics.Framework.Portal.UI.WebControls.WebParts.AxBaseWebPart.OnInit(EventArgs e)
at System.Web.UI.Control.InitRecursive(Control namingContainer)
at System.Web.UI.Control.AddedControl(Control control, Int32 index)
at System.Web.UI.WebControls.WebParts.WebPartManager.WebPartManagerControlCollection.AddWebPartHelper(WebPart webPart)
at System.Web.UI.WebControls.WebParts.WebPartManager.WebPartManagerControlCollection.AddWebPart(WebPart webPart)
at System.Web.UI.WebControls.WebParts.WebPartManagerInternals.AddWebPart(WebPart webPart)
at Microsoft.SharePoint.WebPartPages.SPWebPartManager.AddWebPartWithRetry(WebPart webPart)
at Microsoft.SharePoint.WebPartPages.SPWebPartManager.CreateWebPartsFromRowSetData(Boolean onlyInitializeClosedWebParts)
at Microsoft.SharePoint.WebPartPages.SPWebPartManager.LoadWebParts()
at Microsoft.SharePoint.WebPartPages.SPWebPartManager.OnPageInitComplete(Object sender, EventArgs e)
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Web.UI.Page.OnInitComplete(EventArgs e)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Please Help me.

Restore the dataset and deploy the content and refresh the AOD and dictionaries from EP page. then try it

Hi SAADULLAH,

Thanks for your reply

i have tried…but getting same error.

Thanks & Regards,