Locale warning (not fatal) U_USING_FALLBACK_WARNING: Requested locale "zh_TW.UTF-8" not found, locale "zh@collation=stroke" used instead. The most specific locale supported by ICU relatively to the requested locale is "zh_Hant".
line 105 of /lib/classes/collator.php: call to debugging()
line 188 of /lib/classes/collator.php: call to core_collator::ensure_collator_available()
line 263 of /lib/classes/collator.php: call to core_collator::asort()
line 113 of /filter/activitynames/classes/text_filter.php: call to core_collator::asort_objects_by_property()
line 79 of /filter/activitynames/classes/text_filter.php: call to filter_activitynames\text_filter->get_activity_list()
line 43 of /filter/activitynames/classes/text_filter.php: call to filter_activitynames\text_filter->get_cached_activity_list()
line 116 of /filter/classes/text_filter.php: call to filter_activitynames\text_filter->filter()
line 185 of /filter/classes/filter_manager.php: call to core_filters\text_filter->filter_stage_post_clean()
line 231 of /filter/classes/filter_manager.php: call to core_filters\filter_manager->apply_filter_chain()
line 240 of /lib/classes/formatting.php: call to core_filters\filter_manager->filter_text()
line 617 of /lib/weblib.php: call to core\formatting->format_text()
line 590 of /lib/external/classes/util.php: call to format_text()
line 158 of /lib/classes/external/exporter.php: call to core_external\util::format_text()
line 155 of /mod/forum/classes/local/exporters/posts.php: call to core\external\exporter->export()
line ? of unknownfile: call to mod_forum\local\exporters\posts->mod_forum\local\exporters\{closure}()
line 157 of /mod/forum/classes/local/exporters/posts.php: call to array_map()
line 121 of /lib/classes/external/exporter.php: call to mod_forum\local\exporters\posts->get_other_values()
line 189 of /mod/forum/classes/local/builders/exported_posts.php: call to core\external\exporter->export()
line 95 of /mod/forum/classes/local/renderers/posts.php: call to mod_forum\local\builders\exported_posts->build()
line 212 of /mod/forum/classes/local/renderers/discussion.php: call to mod_forum\local\renderers\posts->render()
line 343 of /mod/forum/discuss.php: call to mod_forum\local\renderers\discussion->render()