At least in German different translation is required for "To" in different context: * Sending an email "to" someone: "an" * Specifying a timeframe from - to: "bis" This problem is visible especially in this string, where notices.tt would require "An", but others would require "Bis": https://translate.koha-community.org/translate/koha/24-11/staff-prog/de/?checksum=b08909ec3c4a98e1&q=+source%3ATo%3A&sort_by=-priority%2Cposition