title: Could not load type '...' from assembly 'System.Web, ...'
body: <pre><code>&lt;system.web&gt;
      &lt;profile defaultProvider="TestProfileProvider" inherits="Test.Library.UserAccountProvider.TestUserProfile"&gt;
        &lt;providers&gt;
          &lt;add name="TestProfileProvider" type="Test.Library.UserAccountProvider.TestProfileProvider, , Test.Library.UserAccountProvider" connectionStringName="SecurityContext" applicationName="Sigma" applicationContext="XpressPago" /&gt;
        &lt;/providers&gt;
      &lt;/profile&gt;
      &lt;membership defaultProvider="TestMembershipProvider"&gt;
        &lt;providers&gt;
          &lt;add name="TestMembershipProvider" type="Test.Library.UserAccountProvider.TestMembershipProvider, Test.Library.UserAccountProvider" connectionStringName="SecurityContext" passwordFormat="Clear" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" maxInvalidPasswordAttempts="3" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="Sigma" PasswordResetLimit="45" applicationContext="XpressPago" /&gt;
        &lt;/providers&gt;
      &lt;/membership&gt;
      &lt;roleManager enabled="true" defaultProvider="TestRoleProvider"&gt;
        &lt;providers&gt;
          &lt;add name="TestRoleProvider" type="Test.Library.UserAccountProvider.TestRoleProvider" connectionStringName="SecurityContext" applicationName="Sigma" applicationContext="XpressPago" /&gt;
        &lt;/providers&gt;
      &lt;/roleManager&gt;
      &lt;httpRuntime executionTimeout="90" maxRequestLength="1048576" useFullyQualifiedRedirectUrl="false" minFreeThreads="8" minLocalRequestFreeThreads="4" appRequestQueueLimit="100"/&gt;
      &lt;machineKey validationKey="196975F087819B74AC983A6D0882E5936BD0F30915A770C58E1177505D72D46F2D6F50BDB35DDF4E904AE01FD3E62726A6E63ADED231644D2D2E595A84AA76B2" decryptionKey="4496E865CAED30BA35BE7B60A06023CC3A13422F15060346" validation="SHA1" /&gt;
    &lt;/system.web&gt;
  </code></pre>
  
  <p><code>TestMembershipProvider</code> is not showing any error but <code>TestUserProfile</code> is showing the following error:</p>
  
  <blockquote>
    <p>Could not load type
    'Test.Library.UserAccountProvider.TestUserProfile' from assembly
    'System.Web, Version=4.0.0.0, Culture=neutral,
    PublicKeyToken=b03f5f7f11d50a3a'.</p>
  </blockquote>
  
  <p>on statement <code>return (TestUserProfile)Create(username);</code></p>