Before troubleshooting an error in Topology, it's recommended to enable debug mode in the installation_list.yaml file. The debug logs provide a clearer understanding of why an error occurred, which can allow you to troubleshoot more effectively.
log_level:and a space before
debug.

If you encounter a problem with Topology, send the yaml folder containing your installation_list.yaml and mstr_services_config.yaml files, and the most recent log files under the Services Registration folder to Strategy Technical Support.
For troubleshooting steps, see Troubleshooting Topology.