As a guess, was the correct dataset input to the tool? You can review this for any job using the pencil icon → details tab on one of the output datasets.
For more specific help, would you like to share back your history? FAQ: Sharing your History. You can paste back the link to the history here in a reply. Then, once we are done, toggle the sharing off.
Screenshots can also sometimes work but you’ll need to capture details like the server, the tool version, the inputs, and the full job logs. For how to do this, please see → How to get faster help with your question
Let’s start there! 