You will want to remove the app from your Applications folder and download version 3.5.2 from your my.presonus.com account. It is under My Products>Software>Studio One 3. If the problem persists, you will want to try removing your settings. Here are instructions:
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Quit Studio One
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From the Finder toolbar, click Go, hold Option, and click Library
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Open Application Support/PreSonus Software/Studio One 3
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Copy the contents of the folder to a folder on your desktop for use as a backup.
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Delete all files and folders except for the user.license file
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Launch Studio One 3 and test for this issue again. If the problem still exists, please feel free to copy your settings files back over from the backup you created in step 4.
*If you are missing any Sound Sets after doing this, simply go to Documents>Studio One>Sound Sets and double-click one of the files.
If you still continue to have the issue, you will want to log into your my.presonus.com account and click on "Support" to log a ticket. Please copy/paste the crash report into your ticket.