World is now on Opti ID! Learn more
AI OnAI Off
World is now on Opti ID! Learn more
My first guess would be that you are missing or have the wrong DLL-files in your /bin-folder.
Yup, as Johan said above, check versions of dlls in bin folder. It sounds as if you are missing the EPiServer.BaseLibrary
dll or it's the wrong version of it.