line 799 of /availability/classes/info.php: Error thrown
line 69 of /course/classes/output/activity_completion.php: call to core_availability\info::completion_value_used()
line 76 of /course/format/classes/output/local/content/cm/completion.php: call to core_course\output\activity_completion->export_for_template()
line 243 of /course/format/classes/output/local/content/cm.php: call to core_courseformat\output\local\content\cm\completion->export_for_template()
line 133 of /course/format/classes/output/local/content/cm.php: call to core_courseformat\output\local\content\cm->add_completion_data()
line 107 of /course/format/classes/output/local/content/section/cmitem.php: call to core_courseformat\output\local\content\cm->export_for_template()
line 122 of /course/format/classes/output/local/content/section/cmlist.php: call to core_courseformat\output\local\content\section\cmitem->export_for_template()
line 227 of /course/format/classes/output/local/content/section.php: call to core_courseformat\output\local\content\section\cmlist->export_for_template()
line 158 of /course/format/classes/output/local/content/section.php: call to core_courseformat\output\local\content\section->add_cm_data()
line 46 of /course/format/topics/classes/output/courseformat/content/section.php: call to core_courseformat\output\local\content\section->export_for_template()
line 170 of /course/format/classes/output/local/content.php: call to format_topics\output\courseformat\content\section->export_for_template()
line 90 of /course/format/classes/output/local/content.php: call to core_courseformat\output\local\content->export_sections()
line 56 of /course/format/topics/classes/output/courseformat/content.php: call to core_courseformat\output\local\content->export_for_template()
line 504 of /lib/outputrenderers.php: call to format_topics\output\courseformat\content->export_for_template()
line 113 of /course/format/classes/output/section_renderer.php: call to plugin_renderer_base->render()
line 60 of /course/format/topics/format.php: call to core_courseformat\output\section_renderer->render()