This error prompt is reported to appear when users try to edit their XR Tour via an Apple Device. Can you confirm if you have opened the link in an apple device?
Additionally,
Ensure you’re logged into your D5 account in the browser before opening the link.
Please check if there are any ad/tracking blockers in your device that might be interfering with the flow.
If the issue persists, please provide us with the following:
Video Recording of the whole process and Screenshots.