Step 3's Big Question

Can not execute event observer '\plugintype_pluginname\event\observer\course_module_created::store'

line 164 of /lib/classes/event/manager.php: call to debugging()
line 75 of /lib/classes/event/manager.php: call to core\event\manager::process_buffers()
line 795 of /lib/classes/event/base.php: call to core\event\manager::dispatch()
line 6097 of /mod/forum/lib.php: call to core\event\base->trigger()
line 142 of /mod/forum/view.php: call to forum_view()

Step 3's Big Question | ECS Academy

What harm can online tracking technologies do?