I am getting this error while on of my .Net
application are trying to make a connection to oracle database.
The error says that This problem will
I got this issue for a console Application.
In my case i just changed the Platform Target to "Any CPU" which you can see when you right click your solution and click on properties , you will find a Tab "Build" click on it, you will see "Platform target:" change it to "Any CPU", which will solve your issue