After removing the Project management code files I am now receiving a new error
Server Error in '/' Application.
Could not load file or assembly 'CMS.DataEngine, Version=9.0.0.0, Culture=neutral, PublicKeyToken=834b12a258f213f9' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.IO.FileLoadException: Could not load file or assembly 'CMS.DataEngine, Version=9.0.0.0, Culture=neutral, PublicKeyToken=834b12a258f213f9' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
Source Error:
Line 23: 
Line 24:         // Initialize CMS application. This method should not be called from custom code.
Line 25:         InitApplication();
Line 26:     }
Line 27: 
Source File: e:\Website\CMS\App_Code\Global.asax.cs    Line: 25
Assembly Load Trace: The following information can be helpful to determine why the assembly 'CMS.DataEngine, Version=9.0.0.0, Culture=neutral, PublicKeyToken=834b12a258f213f9' could not be loaded.
WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].
Stack Trace:
[FileLoadException: Could not load file or assembly 'CMS.DataEngine, Version=9.0.0.0, Culture=neutral, PublicKeyToken=834b12a258f213f9' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)]
   System.ModuleHandle.ResolveMethod(RuntimeModule module, Int32 methodToken, IntPtr* typeInstArgs, Int32 typeInstCount, IntPtr* methodInstArgs, Int32 methodInstCount) +0
   System.ModuleHandle.ResolveMethodHandleInternalCore(RuntimeModule module, Int32 methodToken, IntPtr[] typeInstantiationContext, Int32 typeInstCount, IntPtr[] methodInstantiationContext, Int32 methodInstCount) +162
   System.ModuleHandle.ResolveMethodHandleInternal(RuntimeModule module, Int32 methodToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] methodInstantiationContext) +96
   System.Reflection.CustomAttributeData..ctor(RuntimeModule scope, CustomAttributeRecord caRecord) +79
   System.Reflection.CustomAttributeData.GetCustomAttributes(RuntimeModule module, Int32 tkTarget) +119
   System.Reflection.CustomAttributeData.GetCustomAttributesInternal(RuntimeAssembly target) +83
   CMS.Core.AssemblyDiscovery.IsAssemblyDiscoverable(Assembly assembly) +19
   CMS.Core.AssemblyDiscovery.AddOnlyDiscoverableAssembly(ICollection1 assemblies, Dictionary2 preloadedAssemblies, AssemblyName assemblyName, String filePath) +72
   CMS.Core.AssemblyDiscovery.ExecuteGetAssemblies(Boolean onlyDiscoverable) +1115
   CMS.Core.AssemblyDiscovery.get_DiscoverableAssemblies() +31
   CMS.Core.TypeManager.PreInitializeTypes() +168
   CMS.Core.ModuleEntryManager.PreInit() +19
   CMS.Core.AppCore.PreInit() +122
   CMS.DataEngine.CMSApplication.PreInit() +136
   CMS.DataEngine.CMSHttpApplication.InitApplication() +18
   Global..cctor() in e:\iPoint\CMS\App_Code\Global.asax.cs:25
[TypeInitializationException: The type initializer for 'Global' threw an exception.]
   Global..ctor() +0
   ASP.global_asax..ctor() in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\16ca94ea\a2f4cafe\App_global.asax._qgndjq3.0.cs:0
[TargetInvocationException: Exception has been thrown by the target of an invocation.]
   System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck) +0
   System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark) +142
   System.Activator.CreateInstance(Type type, Boolean nonPublic) +107
   System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark) +1476
   System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +186
   System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture) +28
   System.Web.HttpRuntime.CreateNonPublicInstance(Type type, Object[] args) +82
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +174
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +347
[HttpException (0x80004005): Exception has been thrown by the target of an invocation.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +552
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +122
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +737