Cannot open Lightroom catalog from external hard drive on new MacBook Pro with m1 chip

Forum|Forum|4 years ago
July 4, 2021
3 replies
6320 views

I previously had a MacBook Air from 2013. I use Lightroom and have always had it set up with the catalog and photos on an external hard drive to save space on my internal hard drive. I recently purchased a MacBook Pro 2020 with the new m1 chip. I had seen that Adobe Lightroom was supposed to be compatible (and run native), so I assumed no issues to upgrade. Now, when I try to open my catalog on the new computer I get an error message saying "Lightroom cannot open the catalog named "xxx" located on volume "yyy" because Lightroom cannot save changes to this location." with a further message that "Lightroom Catalogs can not be opened on network volumes, removable storage, or read only volumes." Can catalogs no longer be housed on external hard drives? If so, how do you solve moving between computers? And if a catalog can still be housed on an external hard drive, any idea what my mistake is?

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J

Jude37941394r2cr

Participant

I fixed this by making sure application (Lightroom in my case) had full disk access. It worked after I added it using the plus button.

K

Kitten11

Participant

thank you so much! this worked for me!

Conrad_C

Community Expert

It’s possible that this is not about the Mac hardware or Lightroom, but about macOS 10.11 Big Sur which is on all M1 Macs. If your previous Mac had macOS 10.14 or earlier on it, you might not be aware of additional permissions that must be granted due to heightened security of macOS.

The Unix permissions described by KR Seals is a first step, and that does apply to all versions of Mac OS X and macOS. But macOS 10.15 Catalina and later also require applications to be granted additional Mac-only permissions in order to be able to use local folders and external storage.

Normally, the first time an application (such as Lightroom Classic) needs to use a certain folder location (Documents, Downloads, external storage), you will be asked to grant it permission. If you clicked Don’t Allow (intentionally or not), that location is now walled off from the application. Denial of permission is intended only as an alert for untrusted applications, but you should always click OK for an application you know you need to use and trust, such as Lightroom Classic. My example below does not list Removable Volumes under Lightroom Classic, but it can appear there, and in your case it probably should appear there if you granted permission when asked.

In System Preferences, Security and Privacy, see what access permissions have been granted to Lightroom Classic. It should be able to access Files and Folders, including Removable Volumes, and probably Full Disk Access too.

More info:

Change Privacy preferences on Mac (Apple)

grantl91186319

Participant

I have the same problem - however I am only offered the choice of "Document Folders" however I need permissions to access Catlaogs an a "removable volume" and this choice is not offered.

This is a significant annoyaynce as this worked just fine in February and there ahve been not updates or changes since that time to my knowledge.

KR Seals

Community Expert

Check the permissions on that drive.

In Finder, Get Info, then near the bottom you will find permissions. Give yourself full permissions to all the folders or the entire drive.

Ken Seals - Nikon Z 9, Z 8, 14mm-800mm. Computer Win 11 Pro, I7-14700K, 64GB, RTX3070TI. Travel machine: 2021 MacBook Pro M1 MAX 64GB. All Adobe apps.

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