Please help me on this issue

Hi All,

      I have a problem on build. I develop a project  build ,deploy
and test it successfully. after that i shutdown the system. after a few
minutes i start the system again and build the project which i was test
successfully.

But i got a error like

“Could not Load Type ‘Microsoft.BizTalk.Studio.Utilities.HelperFunctions’ from assembly

‘Microsoft.BizTalk.Studio.Utilities , Version = 3.0.1.0 , Culture = neutral, Public KeyToken =31bf3856ad364e35 ‘ “

Please help me to solve this problem

Thank s& regards

Murali.