Hello Michael,
I've been using AWS ever since. I've been working with Mohib for my SSO errors back then (I hope he remembers me), I've made it work and I've been testing it out for a week back then. I stopped development and have stopped configuring it as it has been stable.
I've came back to the server, because our IT Manager wants to see the results that I've made and I've been greeted with this error.