By default, LMS debug mode is disabled in Articulate content, but you can enable it in SCORM and AICC output for troubleshooting purposes. Here's how:
SHOW_DEBUG_ON_LAUNCH = false;
SHOW_DEBUG_ON_LAUNCH = true;
When you launch the content in your LMS, it'll open in one window, while the debug log will open in another. After reproducing the issue you're troubleshooting, copy and paste the text from the debug window into a document for further investigation.