title: At the time of the exception, the container was:
body: <p>A customer gave me this Error log, he told me that he isn't able to read his email-history in our software.</p>
  
  <p>What I can find in the error logs is the following:</p>
  
  <pre><code>At the time of the exception, the container was:                    
  
    Resolving Comp.Shared.Mail.Mail,(none) (mapped from Comp.Shared.Mail.IMail, (none))                   
    Calling constructor Comp.Shared.Mail.Mail()                   
  
  Stack Trace:    at Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name, IEnumerable`1 resolverOverrides)                    
     at Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, String name, IEnumerable`1 resolverOverrides)                  
     at Microsoft.Practices.Unity.UnityContainerExtensions.Resolve[T](IUnityContainer container, ResolverOverride[] overrides)                    
     at Comp.DCMS.BLL.LettersManager.GetMergedEmailByID(Int32 emailID)                    
     at Comp.DCMS.WCFServices.LettersService.GetMergedEmailByID(Int32 emailID)    
  </code></pre>
  
  <p>I've replaced our Company name with "Comp" if anybody could help me, it would be great.
  Thanks! kind regards.</p>