Welcome to the Make community!
You cannot individually run a single module if you don’t have example values of the “Data”, which you must input into the prompt when you manually run a single module.
Try running the full scenario instead by clicking the “Run Once” button:
For more information, see these duplicate questions previously asked and answered by other community members:
- Missing Values While Processing Google Forms Data - #2 by Henk-Operative
- Not able to use webhook data
- Make not recognizing value of a variable
Hope this helps! Let me know if there are any further questions or issues.
— @samliew