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 432 of /lib/classes/string_manager_standard.php: call to core_collator::asort()
line 748 of /lib/classes/user.php: call to core_string_manager_standard->get_list_of_countries()
line 959 of /lib/classes/user.php: call to core\user::fill_properties_cache()
line 51 of /login/signup_form.php: call to core\user::get_property_type()
line 217 of /lib/formslib.php: call to login_signup_form->definition()
line 323 of /lib/authlib.php: call to moodleform->__construct()
line 80 of /login/signup.php: call to auth_plugin_base->signup_form()