hi everyone i'm trying to compile my application but it gives this error."Asp.net 2.0 runtime error section must appear only once per config file see topic <Section> for exceptions"

here's how my web.config file looks like.

<?xmlversion="1.0"?>
<configuration>
<appSettings>
<addkey="Image"value="C:\Generating Word Document\Images\"/>
<addkey="WordDoc"value="C:\Generating Word Document\Document\"/>
<addkey="WordMod"value="C:\\Generating Word Document\\Template\\"/>
<addkey="EmailToAddressForErrors"value="[email protected]" />
<addkey="EmailFromAddressForErrors"value="[email protected]" />
<addkey="SendMailOnErrors"value="False" />
</appSettings>

<connectionStrings>
<addname="Sql"connectionString="Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirector y|\EDM.mdf;Integrated Security=True;User Instance=True;"/>
</connectionStrings>
<system.web>
<membership>
<providers>
<clear />
<addname="AspNetSqlMembershipProvider"
type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
connectionStringName="BugBase"
enablePasswordRetrieval="false"
enablePasswordReset="true"
requiresQuestionAndAnswer="false"
applicationName="/"
requiresUniqueEmail="true"
passwordFormat="Hashed"
maxInvalidPasswordAttempts="5"
passwordAttemptWindow="10"
passwordStrengthRegularExpression=""
/>
</providers>
</membership>

<roleManagerdefaultProvider="SqlProvider"
enabled="true"
cacheRolesInCookie="true"
cookieName=".ASPROLES"
cookieTimeout="30"
cookiePath="/"
cookieRequireSSL="false"
cookieSlidingExpiration="true"
cookieProtection="All"
>
<providers>
<add
name="SqlProvider"
type="System.Web.Security.SqlRoleProvider"
connectionStringName="BugBase"
/>
</providers>
</roleManager>
<siteMapdefaultProvider="XmlSiteMapProvider"enabled="true">
<providers>
<addname="XmlSiteMapProvider"
description="Default SiteMap provider."
type="System.Web.XmlSiteMapProvider, System.Web, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
siteMapFile="Web.sitemap"
securityTrimmingEnabled="true" />
</providers>
</siteMap>

<caching>
<sqlCacheDependencyenabled="true"pollTime="1000" >
<databases>
<addname="EDM"connectionStringName="Sql" />
</databases>
</sqlCacheDependency>
</caching>
<authenticationmode="Forms">
<formsloginUrl="~/Login.aspx" />
</authentication>
<authorization>
<denyusers="?" />
</authorization>
<customErrorsmode="Off"defaultRedirect="GenericErrorPage.htm">
<errorstatusCode="403"redirect="NoAccess.htm"/>
<errorstatusCode="404"redirect="FileNotFound.htm"/>
</customErrors>

<compilationdebug="true">
<assemblies>
<addassembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></assemblies></compilation>
<authenticationmode="Windows"/>

</system.web>

<locationpath="Maintenance">
<system.web>
<authorization>
<allowroles="Administrator" />
<denyusers="*"/>
</authorization>
</system.web>
</location>
<locationpath="Reporting">
<system.web>
<authorization>
<allowroles="Manager" />
<denyusers="*"/>
</authorization>
</system.web>
</location>
<locationpath="Logout.aspx">
<system.web>
<authorization>
<allowusers="*" />
</authorization>
</system.web>
</location>

<locationpath="Images">
<system.web>
<authorization>
<allowusers="*" />
</authorization>
</system.web>
</location>

<system.net>
<mailSettings>
<smtpdeliveryMethod="Network">
<networkhost=[email protected]port="25" />
</smtp>
</mailSettings>
</system.net>

</configuration>

anyone who knows why, please let me know. Thanks in advance

__________________
supertedz

You have both <authentication mode="Forms"> and <authentication mode="Windows"/>. You can only have one <authentication> section.

Get rid of the <authentication mode="Windows"/> line and you should be all set.

__________________
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