WCF Service can not find files when deployed

socom1985 used Ask the Experts™
My WCF service has problems finding its dependency's when I deploy it on the webserver. All DLL's are being deployed with the service in the /bin folder.. I have no idea how to fix this..

Here is the error:

  Exception type: ConfigurationErrorsException
    Exception message: Could not load file or assembly 'E3k.Api' or one of its dependencies. An attempt was made to load a program with an incorrect format.
   at System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective)
   at System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory()
   at System.Web.Configuration.AssemblyInfo.get_AssemblyInternal()
   at System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig)
   at System.Web.Compilation.BuildManager.CallPreStartInitMethods()
   at System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException)
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Technical Architect
Are you using any 3rd party DLL or umanaged dll in your project ? You referenced assembly might me referencing some other dll. Use ILDasm to see what assemebly are dependent on other assembly.
Most Valuable Expert 2012
Top Expert 2008

How is the assembly built?  

Will it be running on a 64-bit server, and built as a 64-bit or Any CPU?
If it is IIS, how is the server application pool configured?


Third Party DLL caused the problem

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