title: System.ArgumentException: The modelEntityContainerName parameter contains characters that are not valid
body: <p>I've tried to use Entity Frameworks Power Tools Reverse Engineer Code First for a SQLServer database and received the following error:</p>
  
  <blockquote>
    <p>System.ArgumentException: The modelEntityContainerName parameter 'testContext' contains characters that are not valid.<br />
    &nbsp;&nbsp;&nbsp;&nbsp;at System.Data.Entity.Design.EntityModelSchemaGenerator..ctor(EntityContainer storeEntityContainer, String namespaceName, String modelEntityContainerName)<br />
    &nbsp;&nbsp;&nbsp;&nbsp;at Microsoft.DbContextPackage.Handlers.ReverseEngineerCodeFirstHandler.ReverseEngineerCodeFirst(Project project)</p>
  </blockquote>
  
  <p>Is there something I can do to continue or avoid this error or work around it.</p>
  
  <p>Thanks.</p>