http://blogs.msdn.com/angus_logan/archive/2006/12/16/how-to-enable-debugging-in-wss-3-0.aspxRenaud Comte has a great tip on how to get the full ASP.NET errors appearing in WSS 3.0. The detail is to add the following item to your Web.Config: &lt; SafeMode MaxControls ="200" CallStack ="false" ... &gt; &lt;!-- Becomes --&gt; &lt; SafeMode MaxControlsen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/angus_logan/archive/2006/12/16/how-to-enable-debugging-in-wss-3-0.aspx#1833962Thu, 08 Mar 2007 09:16:07 GMT91d46819-8472-40ad-a661-2c78acb4018c:1833962ranyn1<p>I have made the recommended changes now we are receiving the following error message</p> <p>Unable to read the security policy file for trust level 'WSS_Medium'</p>http://blogs.msdn.com/angus_logan/archive/2006/12/16/how-to-enable-debugging-in-wss-3-0.aspx#8325681Wed, 19 Mar 2008 17:11:54 GMT91d46819-8472-40ad-a661-2c78acb4018c:8325681sauliuxx<p>ranyn1</p> <p>now do this </p> <p>&lt;!--&lt;trust level=&quot;WSS_Minimal&quot; originUrl=&quot;&quot; /&gt;--&gt;</p> <p> &nbsp; &nbsp;&lt;trust level=&quot;Full&quot; originUrl=&quot;&quot; /&gt;</p> http://blogs.msdn.com/angus_logan/archive/2006/12/16/how-to-enable-debugging-in-wss-3-0.aspx#8769045Thu, 24 Jul 2008 12:31:50 GMT91d46819-8472-40ad-a661-2c78acb4018c:8769045Hiral Shah<p>Done whatever said. Now getting the following error. what does error referes to?</p> <p>Unknown SPRequest error occurred. More information: 0x80070002</p>