Found the culprit...
In MY_Hooks.php function _run_hook() uses the following as the $filepath :
fuel/application/../modules/whatsons/models/Whatsons_model.php
while this file actually lives here:
fuel/application/models/whatsons/models/Whatsons_m…
No, I have a simple module called whatsons, not an advanced module.
At first I didn't include a whatson record model, but now that I have, I figured out that it has event handlers available that do what I what them to do, however I never was able t…