Select System Settings> Privacy & Security.
For macOS Monterey and earlier, select System Preferences > Privacy & Security.
Since macOS 10.14 (Mojave), Apple has a new privacy structure to help ensure that all applications obtain user consent before accessing documents, downloads, desktop, and network volumes. Sometimes, after macOS upgrades, these permissions get revoked. In such cases, you may see a "No Photo Found" message while accessing the folders such as Documents, Downloads, Desktop, External Volumes, or Network Volume, even though they are connected.
You may see error messages like:
If not providing permission to standard folders is intentional, you can ignore the following message and select Don't Show Again.
If you have Time Machine mounted on your system, the dialog may appear. It is advised to ignore it by selecting Don't show again.
To provide Files and Folders access to Lightroom Classic on macOS, follow the steps given below:
How to give full disk access to Lightroom & Lightroom Classic on macOS
If you are still facing problems while accessing photos, you should give full access to Lightroom Classic by following the steps below:
Go to Full Disk Access.
Here's a Quick tip to easily grant Full Disk Access to Lightroom Classic on macOS. The step-by-step instructions will ensure that Lightroom Classic has the permission to seamlessly access and manage files on your Mac's disk or external storage devices.
If you face an issue with folder permissions, try this easy-to-run, shell script-based solution explained below. This shell script automatically restores ownership and read/write permissions and removes the Access Control List (ACL) from the set of Adobe user folders and their subfolders.
To run the shell script, do the following: