For anyone signed up for the two free night (cat 1-7) bonus rather than 50k points after $6k spend....
Check your expiration date on your free night rewards. My free nights were set to 6 months rather than 1 year as indicated in the terms and conditions.
I contacted Hyatt (no help at all), whom referred me to Chase. The issue is now being escalated to their marketing team. Just want to spread awareness...