It seems like you're encountering an issue with importing photos from a Photo Library stored inside a DMG file on your macOS Ventura (12.0) system. This might be related to permissions or the way the DMG is mounted. Here are some steps you can try to resolve the problem:
1. **Unmount and Remount the DMG:**
Before attempting the import again, try unmounting and then remounting the DMG file. To do this, open Finder, find the DMG file in the sidebar, right-click on it, and select "Eject." Then, double-click the DMG file again to mount it and access the Photo Library.
2. **Copy the Photo Library to a Local Folder:**
Instead of importing photos directly from the DMG, try copying the Photo Library from the DMG to a local folder on your Mac. Then, try importing photos from the copied Photo Library. This might help avoid any potential issues related to accessing files within the DMG.
3. **Check Disk and File Permissions:**
Ensure that both the DMG file and the Photo Library inside it have correct permissions. Right-click on the DMG file, select "Get Info," and make sure you have permission to read and write. Similarly, check the permissions of the Photo Library file within the DMG.
4. **Restart Photos App:**
Close the Photos app and restart it. Sometimes, a simple restart can resolve temporary issues.
5. **Repair Photo Library:**
It's possible that the Photo Library itself has become corrupted. Try repairing the Photo Library using the Photos app. Hold down the `Option` key while opening the Photos app and follow the prompts to repair the library.
6. **Reset Photo App Preferences:**
If none of the above solutions work, you can try resetting the Photos app preferences. This will reset the app to its default settings. To do this, hold down the `Option` and `Command` keys while opening the Photos app. You'll see a dialog asking if you want to repair or create a new library.
7. **Update macOS:**
Make sure you are running the latest version of macOS Ventura. Updates can often include bug fixes that may resolve issues like this.
8. **Contact Apple Support:**
If the issue persists, it might be a more complex problem related to your specific setup. In this case, consider reaching out to Apple Support for personalized assistance.
Before trying any of these steps, it's recommended to back up your data, including the Photo Library, to ensure that you don't accidentally lose any important photos.
