Recently I’ve been having the following problem:
When I update my Serato crates in Engine DJ, the newest crates no longer appear (see photos, e.g. 2025 and 2026). All crates and files are stored on the internal SSD, and nothing has changed in that regard.
Just out of curiosity - Did you try any streaming within Serato? And if so would those tracks be showing in your library at all?
Reason why I ask is that I found a similar issue within Traktor and removing them fixed the issue between it and Engine DJ.
Been a while since using Serato but basically any broken tracks (*the lightning icon to show problematic tracks) should be removed then retry update to Engine and see if that helps any?
I have the same issue, where I want to migrate specific crates from Serato to Engine DJ, but the system will not allow it. I cannot find anything difference between the crates that are transferrable versus the crates that do not transfer to Engine DJ. This makes it difficult for me to 100% rely on the stand-alone aspect of the hardware (Prime 4 + in my case).