Format plugin format_buttons is not found. Using default format_topics
- line 137 of /course/format/classes/base.php: call to debugging()
- line 198 of /course/format/classes/base.php: call to core_courseformat\base::get_format_or_default()
- line 38 of /course/format/lib.php: call to core_courseformat\base::instance()
- line 3090 of /lib/modinfolib.php: call to course_get_format()
- line 558 of /lib/modinfolib.php: call to section_info->__construct()
- line 436 of /lib/modinfolib.php: call to course_modinfo->__construct()
- line 2556 of /lib/modinfolib.php: call to course_modinfo::instance()
- line 2241 of /lib/modinfolib.php: call to get_fast_modinfo()
- line 101 of /mod/data/classes/manager.php: call to cm_info::create()
- line 60 of /mod/data/view.php: call to mod_data\manager::create_from_instance()