Kenny,
Thank you for trying CodeMix.
Can you please give us some more details?
1. Which type of project are you trying to run and how exactly are you launching it?
2. Please share with us a screenshot of the IDE along with the error to help us get a visual.
3. Also share with us the workspace log file which is located at workspace dir/.metadata/.log (change the extension to .txt and attach it) for further investigation.
Tutorials are available here to help you get started with CodeMix :
https://www.genuitec.com/products/codemix/learning-center/
https://www.genuitec.com/products/codemix/elearning
Alternatively, you can also reach us via Live Chat (Help > CodeMix > Live Chat) for a quick resolution.
–Swapna
Genuitec Support