DotNetNuke.Services.Exceptions.ModuleLoadException: Could not load file or
 assembly 'YAF.Classes.Data, Version=1.9.4.0, Culture=neutral, PublicKeyToken=8b49dc47f4701f66' 
or one of its dependencies. The located assembly's manifest definition does not 
match the assembly reference. (Exception from HRESULT: 0x80131040) ---> 
System.IO.FileLoadException: Could not load file or assembly 'YAF.Classes.Data, 
Version=1.9.4.0, Culture=neutral, PublicKeyToken=8b49dc47f4701f66' or one of 
its dependencies. The located assembly's manifest definition does not match the 
assembly reference. (Exception from HRESULT: 0x80131040) File name: 'YAF.Classes.Data, Version=1.9.4.0, Culture=neutral, PublicKeyToken=8b49dc47f4701f66' at 
YAF_LatestPosts.ViewYafLatestPosts.GetYafUserId() at YAF_LatestPosts.ViewYafLatestPosts.Page_Load
(Object sender, EventArgs e) 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]. --- End of inner 
exception stack trace ---