Help on 'Too few parameters. Expected 2'

VB Code:

Private Sub btnShowReport_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnShowReport.Click
        Dim mlogin As CrystalDecisions.Shared.TableLogOnInfo
        Dim mTable As CrystalDecisions.CrystalReports.Engine.Table
        Dim orpt As New crMasterReport
 
 
        Dim pF As New ParameterFields ' This requires only one object
        Dim pDate As New ParameterField ' ParameterField for 1st param
        Dim pvDate As New ParameterDiscreteValue 'Parameter Value for 1st param
 
        For Each mTable In orpt.Database.Tables
            mlogin = mTable.LogOnInfo
            mlogin.ConnectionInfo.ServerName = Application.StartupPath & "\ec_timer.mdb"
            mlogin.ConnectionInfo.UserID = "Admin"
            mlogin.ConnectionInfo.Password = "1024kb"
            mTable.ApplyLogOnInfo(mlogin)
            MsgBox(mlogin.ConnectionInfo.ServerName)
        Next
 
        orpt.SetParameterValue("d1", dtp1.Value.ToShortDateString & " 00:00:01")
        orpt.SetParameterValue("d2", dtp2.Value.ToShortDateString & " 23:59:59")
        crv.ReportSource = orpt
 
        crv.Height = Me.Height
        crv.Width = Me.Width

Please help me on this.. Everytime I run my program using VB.net it executes fine and also if I run the program within the DEBUG folder it executes fine. The problem is that whenever I move the EXE file It gives the error 'too few parameters. Expected 2.' see image below:

http://i9.photobucket.com/albums/a57...port_error.jpg