Loading any MVC page fails with the error "An item with the same key has already been added."
- by MajorRefactoring
I am having an intermittent issue that is appearing on one server only, and is causing all MVC pages to fail to load with the error "An item with the same key has already been added."
Restarting the application pool fixes the issue, but until then, loading any mvc page throws the following exception:
Event code: 3005
Event message: An unhandled…