Capability "moodle/course:viewhiddengroups" was not found! This has to be fixed in code.
  • line 458 of /lib/accesslib.php: call to debugging()
  • line 85 of /group/classes/visibility.php: call to has_capability()
  • line 276 of /lib/grouplib.php: call to core_group\visibility::can_view_all_groups()
  • line 6967 of /mod/forum/lib.php: call to groups_get_all_groups()
  • line 6920 of /mod/forum/lib.php: call to mod_forum_get_groups_from_groupid()
  • line 177 of /mod/forum/classes/local/renderers/discussion_list.php: call to mod_forum_count_all_discussions()
  • line 2235 of /course/renderer.php: call to mod_forum\local\renderers\discussion_list->render()
  • line 2292 of /course/renderer.php: call to core_course_renderer->frontpage_news()
  • line 137 of /index.php: call to core_course_renderer->frontpage()

Error reading from database

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