We received some excellent tech support from GS USA today. Ultimately they recommended that we recreate a new user to replace the affected user (which was the first "Administrative" role in our group) on our BIM Server. This does require one to rejoi...

Windows 11 Pro Workstation- AMD Ryzen Threadripper 32 Cores, 64 Logical Processors-256GB RAM-NVIDIA QUADRO RTX 5000 16GB

We're in the same canoe. We've contacted support as well. I'll post whatever answer we receive from GS. In the meantime, we're stuck.

Same here Charles. Any luck. We have tried everything from permission settings, to leaving and rejoining the project. Still no access rights on one of our user accounts.