Server Error in '/' Application. Error in vb.net - url

Question

After hosting when i run the application am getting error like above. but that application worked on local machine with out any error.
web config file
<?xml version="1.0"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<connectionStrings>
<add name="testConnectionString" connectionString="server=10.103.1.166;User Id=root;database=test;password=test123" providerName="MySql.Data.MySqlClient"/>
<!--<add name="testConnectionString" connectionString="server=10.103.200.138;User Id=root;database=test;password=test123" providerName="MySql.Data.MySqlClient"/>-->
<!--'LDAP://servername/ou=ouname,dc=domain,dc=com-->
<add name="ADConnection" connectionString="LDAP://sunbs.in:389/ou=sunbs,DC=sunbs,DC=in"/>
<!--<add name="TestDomain1ConnectionString" connectionString="LDAP://testdomain1.test.com/CN=Users,DC=testdomain1,DC=test,DC=com" />-->
</connectionStrings>
<system.web>
<compilation debug="true" strict="false" explicit="true" targetFramework="4.0">
<assemblies>
<add assembly="MySql.Data, Version=6.5.4.0, Culture=neutral, PublicKeyToken=C5687FC88969C44D"/>
<add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
<add assembly="System.Web.Extensions.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.DirectoryServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
<add assembly="System.DirectoryServices.AccountManagement, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/></assemblies></compilation>
<!--<membership >
<providers >
<add name="NetForgeMembershipProvider" type="System.Web.Security.ActiveDirectoryMembershipProvider" connectionStringName="ADConnection" connectionUsername="sbsldap" connectionPassword="sbs#123" />
</providers>
</membership>-->
<membership defaultProvider="MyADMembershipProvider">
<providers>
<add name="MyADMembershipProvider" type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="ADConnection" attributeMapUsername="sAMAccountName"/>
</providers>
</membership>
<customErrors mode="Off "></customErrors>
<!--<customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>-->
</system.web>
</configuration>
How can I correct the error?
error description
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.