The 'remuiformat' course format does not define the format_remuiformat\output\renderer renderer class. This is required since Moodle 4.0.
- line 1538 of /course/format/classes/base.php: call to debugging()
- line 3491 of /course/lib.php: call to core_courseformat\base->get_renderer()
- line 87 of /theme/dipartimenti/layout/common.php: call to core_course_drawer()
- line 29 of /theme/dipartimenti/layout/drawers.php: call to require_once()
- line 972 of /lib/classes/output/core_renderer.php: call to include()
- line 888 of /lib/classes/output/core_renderer.php: call to core\output\core_renderer->render_page_layout()
- line ? of unknownfile: call to core\output\core_renderer->header()
- line 109 of /lib/classes/output/bootstrap_renderer.php: call to call_user_func_array()
- line 155 of /blog/index.php: call to core\output\bootstrap_renderer->__call()
