Hi!

Yes, in this case we’re talking about Realtracks, and I know they are primarily audio. Although I only get this error (loss of MIDI data) when dropping/exporting certain tracks, for instance: 2732 (Piano, Acoustic, Rhythm FunkySwingBluesMike Sw16).

When I export the track the length is as expected, and where the data is missing it’s all just blank.

My version is Band-in-a-Box 2017 UltraPAK.