title: External List Error : The query against the database caused an error
body: <p>I got an SQL Server 2008 R2 and a SharePoint Server. I have put up a BCS between the two servers. Reading data through a External List. This worked fine yesterday. But to day I got this error:</p>
  
  <p>The query against the database caused an error.</p>
  
  <pre><code>Correlation ID:7ebc312e-db3a-46a4-afbe-04b0115c4885
  
  w3wp.exe (0x0CB4)-0x1AD8-SharePoint Foundation-Logging Correlation Data-xmnv-Medium Name=Request (POST:http://External%20List/Read%20List.aspx)-7ebc312e-db3a-46a4fbe-04b0115c4885
  </code></pre>
  
  <p>Some of the guys I work with have reset the IIS, can this be the problem?</p>