I've actually given up in trying to help offer information to assist the Hyatt folks.
While some select Hyatt agents take great concern Hyatt has done little to work through the most major user issues over the years.
Luckily there is enough business even with folks giving up on occasion that are unable to utilize/get the site to function
At a certain point its the revolving door affect going around in circles.

I've developed my own work arounds and have come to accept the site even with its warts and wrinkles
Occasionally it actually transacts/works