On November 28th, new logging functionality was deployed to production US & EU environments as part of our E23 release (ticket SUR-3925). The deployment caused invalid tokens to fail with a 504 Gateway timeout instead of the expected 401 error.

PSMs and TAMs are invited to use the following letter, and share it with any partners awaiting follow up on this issue: https://drivecam.sharepoint.com/:w:/s/SurfsightProduct/EVZzi3lxBkNDjR47ncO6fXwBXoIIfBOv2zBUOsIgu019Ag?e=ue07tE