Looking for logging into the Icontroller site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Icontroller site. After that you can login as usual with your login credentials.
https://icontroller.org/en
https://icontroller.org/nl
https://www.nopcommerce.com/boards/t/28650/the-controller-for-path-was-not-found-or-does-not-implement-icontroller.aspx
https://forums.asp.net/t/1968721.aspx?The+controller+for+path+was+not+found+or+does+not+implement+IController+mvc4
https://stackoverflow.com/questions/16021345/the-controller-for-path-login-index-was-not-found-or-does-not-implement-icont
https://our.umbraco.com/forum/getting-started/installing-umbraco/43708-The-controller-for-path-was-not-found-or-does-not-implement-IController-error-after-upgrade-from-v605-to-v613-
https://www.youtube.com/watch?v=HxesirLI488
https://community.sitecore.net/developers/f/8/t/9783
https://community.sitecore.net/developers/f/8/t/9784
https://books.google.be/books?id=nucRXjCYpN8C&pg=PA79&lpg=PA79&dq=icontroller+login
https://en.wikipedia.org/wiki/Front_controller
https://social.microsoft.com/Forums/en-US/5cd76390-fb53-4b58-b528-abe01dcbb52e/loginaspx-was-not-found?forum=Offtopic
https://developer.apple.com/documentation/safariservices/sfsafariviewcontroller