PerceptiLabs provides a number of features for debugging errors (e.g., compile errors, invalid values etc.) in your models and their Components.
As you edit your model, PerceptiLabs will display an exclamation mark (1) on each Component in your model for which a problem has been detected:
Click the Problems button (2) to display a popup (3) for additional details about the errors.
Within this popup you can expand the different error nodes to display descriptions of the issues found in your model. Double clicking on the description displays the Component's code with the problematic line highlighted: