Could it be you are trying to open your source movie using the 'Add DCP' dialog of DCP-o-matic ?
That's wrong, you first have to name and create a new project, then add your content to it with the topmost Add
https://dcpomatic.com/manual/html/ch03.html#idp4
https://dcpomatic.com/manual/html/ch03s02.html
- Carsten
-----Original-Nachricht-----
Betreff: [DCP-o-matic] Asset Map?!?
Datum: 2020-05-12T23:48:12+0200
Von: "Trevor Ireland via DCPomatic" <dcpomatic@carlh.net>
An: "dcpomatic@carlh.net" <dcpomatic@carlh.net>