Here is the debugging error I get. (Sorry if this is not correct I could not find any info in forums).

Debug info: Argument 2 passed to has_capability() must be an instance of context, boolean given, called in /usr/moodle/lib/modinfolib.php on line 998 and defined
Stack trace:

line 365 of /lib/setuplib.php: coding_exception thrown
line 348 of /lib/accesslib.php: call to default_error_handler()
line 998 of /lib/modinfolib.php: call to has_capability()
line 980 of /lib/modinfolib.php: call to cm_info->update_user_visible()
line 272 of /lib/modinfolib.php: call to cm_info->obtain_dynamic_data()
line 1103 of /lib/modinfolib.php: call to course_modinfo->__construct()
line 1613 of /lib/navigationlib.php: call to get_fast_modinfo()
line 1676 of /lib/navigationlib.php: call to global_navigation->generate_sections_and_activities()
line 47 of /course/format/topics/lib.php: call to global_navigation->load_generic_course_sections()
line 1587 of /lib/navigationlib.php: call to callback_topics_load_content()
line 1145 of /lib/navigationlib.php: call to global_navigation->load_course_sections()
line 2663 of /lib/navigationlib.php: call to global_navigation->initialise()
line 659 of /lib/pagelib.php: call to navbar->has_items()
line 6 of /theme/formal_white/layout/general.php: call to moodle_page->has_navbar()
line 685 of /lib/outputrenderers.php: call to include()
line 637 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
line 179 of /course/edit.php: call to core_renderer->header()