Sync Failed failed To Sync to Engine DJ. Make sure Engine DJ is fully shut down and please try again

First I do a full import from iTunes 64 Bit which goes fine. Then I sort the tracks alphabetically.

Here’s the problem: whenever I try to sync to engine DJ on my Prime 4+ I get this error:

SqliteError: UNIQUE constraint failed: Track.originDatabaseUuid, Track.originTrackId

I have never had a problem with Lexicon. Is there something wrong with my system or is there a fix coming?

Thank you

I forgot:

Windows 10 64 Bit Fully Updated 64 GB Ram

I play my music primarily with Virtual DJ, Fully Updated, but I also like to have available the standalone option on my Prime 4+, Version 4.2.0 . I have a 1TB Internal Sandisk SSD installed into the Prime 4+ and I cannot sync to it.

Thank you,

Best to delete your Engine database on the Prime and let Lexicon recreate with a sync, should prevent the error that way. If you rename or delete the Engine Library/Database2 then sync to the Prime, it should be good

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Thank you for the rapid response.

Once I get things back to normal how do I upgrade to the Pro version from the Basic Lexicon desktop program.

Thank you.

Thank you so much!!! Problem solved!!! Worked like a Charm!!!

I can sleep again!!!

Thank you once again for this wonderful program!!!

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Great :slight_smile:
You can upgrade to pro in the Lexicon settings (top menu bar) under Subscription

Thank you.