Trigger error statuses on trigger.php are partially translated, e.g. for 'Trigger status became "Disabled".'
But others are not. So, you should unify that all is completed or nothing is translated.

As src/libs/zbxdbhigh/db.c : DBupdate_triggers_status_after_restart() directly update it to "Zabbix was restarted."
and C Language code does not provied translation system, it is impossible that all is completed.

So, you should change from
288 'error' => _('Trigger status became "Disabled".')
to
'Trigger status became "Disabled".'
on ./frontends/php/triggers.php