Plugin from existing sessions not loading. But load in new sessions

All of a sudden, some of my plugins, Kontakt 8, analog lab etc….. in older Logic sessions are showing up blank/greyed out in the mixer and not playing any audio. These same plugins load and work fine in new sessions.




I’m on Logic Pro 11.2 running on an Apple M2 Max chip.




Anyone else experiencing this or know a fix?

MacBook Pro 16″, macOS 14.5

Posted on Jun 4, 2025 5:47 PM

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8 replies

Jun 4, 2025 9:17 PM in response to Kennytweed

Do you mean the Logic Pro application? You have to have a saved copy of the app (or know someone who stores them).


...OR you can revert back to the previous Operating Software (Ventura, Monterey, etc.) to get the compatible version of Logic Pro.


If you want to Revert to Older versions of Logic Pro....look here:

To revert to older sessions in Logic Pro, you can use the "Revert to" feature, which allows you to access previous saved versions of your project. For more general reverts, you can also utilize Time Machine to restore a project from a previous backup. 


Using "Revert to": 

  • File > Revert to: Choose this option to access a list of available backups and previous versions of your project.
  • Select Backup: Choose the specific backup or version you want to revert to.
  • Confirm Revert: Logic Pro will revert the project to the selected version, and any changes made since that backup will be lost.




Plugin from existing sessions not loading. But load in new sessions

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