Bug Generating on Server For Some Hours Then Its Work fine after replace old uploaded dll then after few hour Re-generate
this error :

Could not load file or assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040


How to Fix This Error
Any other Solution Please Give Your Response...

Pravin
Thanks,regard