I'll help you figure this out. Resurrecting old threads sometimes confuses the timelines of the community & brings up a fixed issue for new visitors.
You see the issues with Photoshop & the original thread is for Lightroom Classic & you've confirmed you're using Lightroom Classic as a workaround. I'll need more info to help you figure this out.
Could you please share the system info of Photoshop from Help > System info > Copy & paste into a text document > upload to Creative Cloud files (https://assets.adobe.com/files) and share with us?
Please add screenshots & the location of the original files you're working with. On newer macOS, Full disk access is required. Please ensure you've set the permissions to Photoshop & Lightroom: https://community.adobe.com/t5/photoshop-ecosystem-discussions/quick-tips-learn-how-to-give-full-dis...
Let me know how it goes. Thanks!