Hello,
Below is a screen from LM Studio running a model:
And below eudaimonia set up:

Some model uses text completion, other chat completion (especially recent models).
Make sure to give enough context size when loading the model (the system prompt is big, you probably need at least 12K context size.
EDIT:
Well the screens are too small to see anything.
On the Developer tab of LM Studio:
- Check the URL of the server (mine is http://127.0.0.1:1234).
- Paste it in Eudaimonia, and make sure to remove any trailing "/".
- Load the model you want to play with in LM Studio, and set a context size large enough for your needs.
- Check the console in LM Studio to see if there is an error.