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System.IO.FileLoadException : Could not load file or assembly 'Newtonsoft.Json, Version=, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

After HRPro Web Client is upgraded to 13.08, system display


Open and edit the Web.Config of the web site, locate the assemblyIdentity name="Newtonsoft.Json" and update the version number from to

Something like this

<bindingRedirect oldVersion="" newVersion="" />