When launching TRAKTOR, you receive the following warning message:
"Optimize Mac Storage" is turned on in iCloud Drive. This can result in loss of Traktor data!"
Your Mac system has enabled the sync between the music data used in TRAKTOR and your iCloud Drive, which can result in loss of data in your Track Collection.
- Close TRAKTOR.
- Go to your Mac System Preferences > iCloud.
- Click Options next to the iCloud Drive entry.
- Uncheck the box Optimize Mac Storage and click Done.