I'm guessing that you are referring to the list of functionalities inside the document browser.
The docker image does not contain any data, it's a clean installation. Thus you see an empty list because there are no functionalities, yet.
If you want to know how to add functionalities, please consider to read the documentation available: https://www.knowage-suite.com/site/resources/free-materials/
Hello, Please I do have the same problem! how can I add functionalities?