VS 2010 on my work computer.  Code and store on server in same office.  VS when I try to build results in 50+ errors all the same referring to a dll file.

Metadata file 'W:\kcproductsi\Libraries\Nop.BusinessLogic\bin\Release\Nop.BusinessLogic.dll' could not be found  Nop.Payment.eWayUK


These folders are in fact empty, so I'm not sure what's going on.

Thanks