Method core_course_category::count_all() is deprecated. Please use core_course_category::is_simple_site()

• line 780 of /course/classes/category.php: call to debugging()
• line 390 of /theme/enlight/renderers/course_renderer.php: call to core_course_category::count_all()
• line 293 of /theme/enlight/renderers/course_renderer.php: call to theme_enlight_core_course_renderer->custom_course_page()
• line 66 of /course/index.php: call to theme_enlight_core_course_renderer->course_category()