Could not load file or assembly exception

Question

Any thoughts on what might be causing this exception?

I have a webservice proj, when i load the link i get

Could not load file or assembly \'I

Answer 1

I finally got around this exception by deleting the entry in the applicationhost.config for IIS Express (C:\Users{username}\Documents\IISExpress\config\applicationhost.config).

I had also stopped the IIS express instance, cleaned and rebuilt in VS. Then change the config file, then restarted VS 2013.