Error

Can't find data record in database table context.
Debug info: SELECT * FROM {context} WHERE id = ?
[array (
0 => '856707',
)]
Error code: invalidrecord
Stack trace:
  • line 1654 of /lib/dml/moodle_database.php: dml_missing_record_exception thrown
  • line 1630 of /lib/dml/moodle_database.php: call to moodle_database->get_record_select()
  • line 5428 of /lib/accesslib.php: call to moodle_database->get_record()
  • line 5772 of /lib/accesslib.php: call to context::instance_by_id()
  • line 69 of /question/classes/local/bank/question_edit_contexts.php: call to context->get_parent_contexts()
  • line 1628 of /lib/questionlib.php: call to core_question\local\bank\question_edit_contexts->__construct()
  • line 4737 of /lib/navigationlib.php: call to question_extend_settings_navigation()
  • line 4345 of /lib/navigationlib.php: call to settings_navigation->load_course_settings()
  • line 838 of /lib/pagelib.php: call to settings_navigation->initialise()
  • line 967 of /lib/pagelib.php: call to moodle_page->magic_get_settingsnav()
  • line 393 of /lib/classes/navigation/views/secondary.php: call to moodle_page->__get()
  • line 216 of /lib/classes/navigation/views/secondary.php: call to core\navigation\views\secondary->load_course_navigation()
  • line 895 of /lib/pagelib.php: call to core\navigation\views\secondary->initialise()
  • line 967 of /lib/pagelib.php: call to moodle_page->magic_get_secondarynav()
  • line 120 of /theme/boost_union/layout/drawers.php: call to moodle_page->__get()
  • line 1477 of /lib/outputrenderers.php: call to include()
  • line 1403 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
  • line 1973 of /lib/setuplib.php: call to core_renderer->header()
  • line 62 of /course/info.php: call to bootstrap_renderer->__call()