Moodle 2.0 Preview 4+ (Build: 20100804)
debugging ALL
logged in as admin or teacher
go to course / block People / Participants /
in All Participants list, click on any particpant's name
error message displayed:

Error: could not insert new context level "50", instance "3". incorrect course id (3)

• line 1815 of \lib\accesslib.php: call to debugging()
• line 2141 of \lib\accesslib.php: call to create_context()
• line 1254 of \calendar\lib.php: call to get_context_instance()
• line 61 of \blocks\calendar_month\block_calendar_month.php: call to calendar_set_filters()
• line 386 of \blocks\moodleblock.class.php: call to block_calendar_month->get_content()
• line 339 of \blocks\moodleblock.class.php: call to block_base->formatted_contents()
• line 851 of \lib\blocklib.php: call to block_base->get_content_for_output()
• line 903 of \lib\blocklib.php: call to block_manager->create_block_contents()
• line 339 of \lib\blocklib.php: call to block_manager->ensure_content_created()
• line 7 of \theme\base\layout\general.php: call to block_manager->region_has_content()
• line 618 of \lib\outputrenderers.php: call to include()
• line 576 of \lib\outputrenderers.php: call to core_renderer->render_page_layout()
• line ? of unknownfile: call to core_renderer->header()
• line 967 of \lib\setuplib.php: call to call_user_func_array()
• line ? of unknownfile: call to bootstrap_renderer->__call()
• line 167 of \user\view.php: call to bootstrap_renderer->header()

Incorrect context specified

• line 479 of \lib\accesslib.php: call to debugging()
• line 1259 of \calendar\lib.php: call to has_capability()
• line 61 of \blocks\calendar_month\block_calendar_month.php: call to calendar_set_filters()
• line 386 of \blocks\moodleblock.class.php: call to block_calendar_month->get_content()
• line 339 of \blocks\moodleblock.class.php: call to block_base->formatted_contents()
• line 851 of \lib\blocklib.php: call to block_base->get_content_for_output()
• line 903 of \lib\blocklib.php: call to block_manager->create_block_contents()
• line 339 of \lib\blocklib.php: call to block_manager->ensure_content_created()
• line 7 of \theme\base\layout\general.php: call to block_manager->region_has_content()
• line 618 of \lib\outputrenderers.php: call to include()
• line 576 of \lib\outputrenderers.php: call to core_renderer->render_page_layout()
• line ? of unknownfile: call to core_renderer->header()
• line 967 of \lib\setuplib.php: call to call_user_func_array()
• line ? of unknownfile: call to bootstrap_renderer->__call()
• line 167 of \user\view.php: call to bootstrap_renderer->header()