AWS Control Tower failed to set up your landing zone completely: An error occurred while setting up your landing zone. Try again later. If this error persists, contact AWS Support

There are a few ways you can go about tracing and troubleshooting the error log without raising a support ticket.

1. Check the CloudTrail logs for more detailed information about the error. This will give you insight into what went wrong, and may point you in the direction of a solution.

2. Check the configuration of the landing zone to ensure everything is set up correctly. This includes verifying that all settings are correct, permissions are in place, and any necessary resources are available.

3. Test the landing zone with a small sample of data to see if the issue is reproducible. This will help you to identify any configuration issues that may be causing the failure.

4. Reach out to your cloud provider's support team for assistance. They may be able to provide more information about the error and offer suggestions on how to resolve it.