Thursday, March 19, 2015

Error when installing WFFM 2.5 rev.150209 in Sitecore 8.0

Issue: While I was trying to install Web Forms For Marketers "WFFM 2.5 rev.150209" on a fresh installed Sitecore 8.0 instance i got the following error:

On pressing on details here is the error message:

Could not load type 'Sitecore.Shell.Applications.WebEdit.Commands.WebEditCommand' from assembly 'Sitecore.Client, Version=, Culture=neutral, PublicKeyToken=null'.
  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.TypeLoadException: Could not load type 'Sitecore.Shell.Applications.WebEdit.Commands.WebEditCommand' from assembly 'Sitecore.Client, Version=, Culture=neutral, PublicKeyToken=null'.
Source Error:  An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. 
Stack Trace:

[TypeLoadException: Could not load type 'Sitecore.Shell.Applications.WebEdit.Commands.WebEditCommand' from assembly 'Sitecore.Client, Version=, Culture=neutral, PublicKeyToken=null'.]
   System.Reflection.RuntimeAssembly.GetType(RuntimeAssembly assembly, String name, Boolean throwOnError, Boolean ignoreCase, ObjectHandleOnStack type) +0
   System.Reflection.RuntimeAssembly.GetType(String name, Boolean throwOnError, Boolean ignoreCase) +41
   Sitecore.Reflection.ReflectionUtil.CreateObject(String assembly, String className, Object[] parameters) +41
   Sitecore.Reflection.ReflectionUtil.CreateObject(String typeName, Object[] parameters) +122
   Sitecore.Shell.Framework.Commands.CommandManager.ReadCommands() +467
   Sitecore.Shell.Framework.Commands.CommandManager..cctor() +50
[TypeInitializationException: The type initializer for 'Sitecore.Shell.Framework.Commands.CommandManager' threw an exception.]
   Sitecore.Shell.Framework.Commands.CommandManager.GetDispatchCommand(String command) +0
   Sitecore.Web.UI.Sheer.ClientPage.Dispatch(String command) +28
   Sitecore.Web.UI.Sheer.ClientPage.RaiseEvent() +101
   Sitecore.Web.UI.Sheer.ClientPage.OnPreRender(EventArgs e) +525
   System.Web.UI.Control.PreRenderRecursiveInternal() +83
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +974

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34209

Here is the environment information:

  • OS: Windows 7 32-bit
  • MS Sql Server Express 2012
  • Mongodb 3.0.1 32-bit
  • IIS 7.5.76

After that i am not able to access several modules including the Desktop!

Solution: I came across this article on Web Forms for Marketers on Version 8 that helped me solve the issue

The solution is to download and install Sitecore 8 - Update 2 and the WebForms for Marketers specifically for Sitecore 8.0 on the Sitecore 8 download page.

Alternatively, you can contact us regarding a Sitecore Environment QuickStart.  Email us at for details.

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