Notice: Undefined property: cm_info::$uservisible in /mod/glossary/classes/local/concept_cache.php on line 219

Call Stack:
    0.0010     414904   1. {main}() /admin/cli/scheduled_task.php:0
    0.1592   17344144   2. cron_run_inner_scheduled_task() /admin/cli/scheduled_task.php:150
    0.1670   18592048   3. mod_assign\task\cron_task->execute() /lib/cronlib.php:248
    0.2226   26608856   4. assign::cron() /mod/assign/classes/task/cron_task.php:44
    0.2832   38663328   5. assign::send_assignment_notification() /mod/assign/locallib.php:2712
    0.2842   38971648   6. format_string() /mod/assign/locallib.php:6387
    0.3066   41055296   7. filter_manager->filter_string() /lib/weblib.php:1488
    0.3066   41055296   8. filter_manager->apply_filter_chain() /lib/filterlib.php:232
    0.3066   41055296   9. filter_glossary->filter() /lib/filterlib.php:176
    0.3066   41055320  10. filter_glossary->get_all_concepts() /filter/glossary/filter.php:163
    0.3073   41094256  11. mod_glossary\local\concept_cache::get_concepts() /filter/glossary/filter.php:79
    0.3073   41094256  12. mod_glossary\local\concept_cache::get_course_concepts() /mod/glossary/classes/local/concept_cache.php:279
    0.3078   41100320  13. cm_info->__get() /mod/glossary/classes/local/concept_cache.php:219
    0.3078   41100320  14. cm_info->get_user_visible() /lib/modinfolib.php:1234
    0.3078   41100320  15. cm_info->obtain_dynamic_data() /lib/modinfolib.php:1936
    0.3078   41100896  16. section_info->__get() /lib/modinfolib.php:1910
    0.3078   41100896  17. section_info->get_available() /lib/modinfolib.php:2752
    0.3079   41101480  18. core_availability\info_section->is_available() /lib/modinfolib.php:2789
    0.3102   41381112  19. core_availability\tree->get_result_information() /availability/classes/info.php:216
    0.3102   41381112  20. core_availability\tree->get_full_information_recursive() /availability/classes/tree.php:476
    0.3103   41381512  21. availability_group\condition->get_standalone_description() /availability/classes/tree.php:526
    0.3105   41389360  22. availability_group\condition->get_description() /availability/classes/condition.php:159
    0.3116   41405760  23. format_string() /availability/condition/group/classes/condition.php:115
    0.3129   41408336  24. filter_manager->filter_string() /lib/weblib.php:1488
    0.3129   41408336  25. filter_manager->apply_filter_chain() /lib/filterlib.php:232
    0.3129   41408336  26. filter_glossary->filter() /lib/filterlib.php:176
    0.3129   41408336  27. filter_glossary->get_all_concepts() /filter/glossary/filter.php:163
    0.3129   41408336  28. mod_glossary\local\concept_cache::get_concepts() /filter/glossary/filter.php:79
    0.3129   41408336  29. mod_glossary\local\concept_cache::get_course_concepts() /mod/glossary/classes/local/concept_cache.php:279