title: Error 11009: property 'update date' is not mapped
body: <p>When I create a table in SQL Server and then I want to update my data model from database in Visual Studio, I get this error:</p>
  
  <blockquote>
    <p>error 11009 : property 'update date' is not mapped </p>
  </blockquote>
  
  <p>and  </p>
  
  <blockquote>
    <p>error 3004 : problem in mapping fragments starting at line 869: no mapping specified for properties customer.updatedate in set customers.<br>
    an entity with key(pk) will not round-trip when :<br>
    Entity is type [stockModel.Customer]</p>
  </blockquote>
  
  <p>Help me please</p>