Welcome to Headwind MDM Q&A, where you can ask questions and receive answers from other members of the community.
Please do not post bug reports, missing feature requests, or demo inquiries. If you have such an inquiry, submit a contact form.
By default, no configurations are selected and the output will be empty.
You need to select one or more configurations in the list.
If the issue persists, check the Tomcat log for possible errors, and consider upgrading Headwind MDM to the latest version.