"Invalid Type Conversion" Error in Media Analysis & Transcription Settings

Version: Premiere Pro Beta 25.3.0 BETA (Build 15)
Platform: macOS Sequoia 15.2

Steps to Reproduce:

1. Open Premiere Pro Beta.
2. Go to Settings > Media Analysis & Transcription.
3. Set Cache Analysis results for re-use to Next to the media as a sidecar file.
4. Click OK to close the Settings window.

Expected Result:

• The settings should save without errors.

Actual Result:

• An error message appears: "Invalid Type Conversion".
• The OK button remains disabled unless the dropdown is set to In The Media Cache.