Server Error in '/' Application.

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Runtime Error

Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.

Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off".

<!-- Web.Config Configuration File -->

<configuration>
    <system.web>
        <customErrors mode="Off"/>
    </system.web>
</configuration>

<!-- Web.Config Configuration File -->

<configuration>
    <system.web>
        <customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>
    </system.web>
</configuration>

δεν μπορώ να καταλάβω τον λόγο..

Το web.config ειναι το εξής:

<?xml version="1.0"?>
<configuration>
 
  <system.net>
    <mailSettings>
      <smtp>
        <network
             host="MailServer"
             port="25"
             userName="User"
             password="Password" />
      </smtp>
    </mailSettings>
   
  </system.net>
  
  <connectionStrings>
  <add name="Data" connectionString="Server=localhost;User ID=root;Password=admin;Persist Security Info=True;Database=Data;character set=greek" providerName="MySql.Data.MySqlClient"></add>
  
  </connectionStrings>
 
 <system.web>

        <roleManager enabled="true" />
        <compilation debug="true" strict="false" explicit="true">
   <assemblies>
    <add assembly="MySql.Data, Version=5.2.1.0, Culture=neutral, PublicKeyToken=C5687FC88969C44D"/></assemblies></compilation>
  <pages>
   <namespaces>
    <clear/>
    <add namespace="System"/>
    <add namespace="System.Collections"/>
    <add namespace="System.Collections.Generic"/>
    <add namespace="System.Collections.Specialized"/>
    <add namespace="System.Configuration"/>
    <add namespace="System.Text"/>
    <add namespace="System.Text.RegularExpressions"/>
    <add namespace="System.Web"/>
    <add namespace="System.Web.Caching"/>
    <add namespace="System.Web.SessionState"/>
    <add namespace="System.Web.Security"/>
    <add namespace="System.Web.Profile"/>
    <add namespace="System.Web.UI"/>
    <add namespace="System.Web.UI.WebControls"/>
    <add namespace="System.Web.UI.WebControls.WebParts"/>
    <add namespace="System.Web.UI.HtmlControls"/>
   </namespaces>
     
  </pages>

<authentication mode="Forms" />

<customErrors mode="off"/>

 </system.web>
</configuration>

Μπορεί να βοηθήσει κανεις;