Register the database. Then try Insert > Crossreference
Postgresql_direkt.odb (application/vnd.oasis.opendocument.database), 10.89 KB, created by Robert Großkopf on 2018-09-03 19:00:15 UTC
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Creator: Robert Großkopf
Created: 2018-09-03 19:00:15 UTC
Size: 10.89 KB

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Attachments on bug 119610: 144643