Load report failed crystal report

Question

I have a web application and my crystal report is on root folder httpDocs
and on my aspx page 

<CR:CrystalReportViewer ID="CrystalReportViewer1" runat="server" 

        AutoDataBind="True" GroupTreeImagesFolderUrl="" Height="2002px" BestFitPage="False"  

        ReportSourceID="CrystalReportSource1" ToolbarImagesFolderUrl="" 

        ToolPanelWidth="200px" Width="2776px" />

    <CR:CrystalReportSource ID="CrystalReportSource1" runat="server">

        <Report FileName="partner.rpt">

        </Report>

    </CR:CrystalReportSource>


but i am getting error when going live 
error is load Report faild ...


any one can assist