I have an masterfile and several include. While validating the masterfile works withour error and the crossreferencing is successful, I have an annoying error indicator "IDREF "MArubi" without matching ID". This xml:id is in a different include from the one where it is called. As the masterfile is enabled, I started wondering why this crossref is not found even when validating the include separately. Obviously a but in oxygen Version 20.1 for I cannot recall such an error with older versions. I can provide examples if the error is not yet reported. Regards Bernhard -- spitzhalde9 D-79853 lenzkirch bernhard.kleine@gmx.net www.b-kleine.com, www.urseetal.net - thunderbird mit enigmail GPG schlüssel: D5257409 fingerprint: 08 B7 F8 70 22 7A FC C1 15 49 CA A6 C7 6F A0 2E D5 25 74 09