Hello there! I am a aspiring arranger. I wrote a score in MuseScore 2.3.1, exported it to MusicXML and imported it into Finale for Windows 18.104.22.16858.
The MusicXML file appears to be valid, as Finale gives no errors in importing the document, but it comes out incredibly... "disjointed" as described in the title:
I don't know where to go from here... MuseScore shows the piece just fine:
Here is the MusicXML file: