dear sir:

when i try to start the phile application the follwing message eror is
come up

An unexpected error has occurred on this page.The system administrators have been notified.

The error occurred in:
http://localhost/ThePhileVB/WebModul...s/Default.aspx

Error Message:
Exception of type Wrox.WebModules.AppException was thrown.


the stack for the error is


Error Stack:
Wrox.WebModules.AppException: Exception of type Wrox.WebModules.AppException was thrown.
   at Wrox.WebModules.Accounts.Data.User.Retrieve(String emailAddress) in C:\wrox\ThePhileVB\WebModules\Accounts\Accounts.Da ta\User.vb:line 125
   at Wrox.WebModules.Accounts.Business.SiteIdentity..ct or(String currentEmailAddress) in C:\wrox\ThePhileVB\WebModules\Accounts\Accounts.Bu siness\SiteIdentity.vb:line 37
   at Wrox.WebModules.Accounts.Business.SitePrincipal..c tor(String emailAddress) in C:\wrox\ThePhileVB\WebModules\Accounts\Accounts.Bu siness\SitePrincipal.vb:line 46
   at Wrox.ThePhile.Web.PhilePage.PhilePage_Load(Object sender, EventArgs e) in C:\wrox\ThePhileVB\PhilePage.vb:line 38
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at System.Web.UI.Control.OnLoad(EventArgs e)
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Page.ProcessRequestMain()

please help me

It's telling you where the error occured. You should put a breakpoint there and use standard debugging techniques like single stepping and inspecting variables:

Wrox.WebModules.Accounts.Data.User.Retrieve(String emailAddress) in C:\wrox\ThePhileVB\WebModules\Accounts\Accounts.Da ta\User.vb:line 125