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5 Messages

 • 

112 Points

Sun, Aug 5, 2018 10:12 PM

"Lightroom encountered an error when reading from its preview cache and needs to quit"

I've encountered this error message,"Lightroom encountered an error when reading from its preview cache and needs to quit" while editing photos in Lightroom the past two days. I've never experienced this error message until recently. I searched online for help and came across this: https://helpx.adobe.com/lightroom/kb/lightroom-gives-error-preview-cache.html. I followed the steps and it worked for a bit but the problem is back. 

The issue seems to come and go, it often starts after the program has been open for a few hours straight or overnight. 

I reached out to Adobe Forum and came across the same information. Additionally, someone stated that there might be an issue with my hard drive. I havent found information on how to fix this issue or to test that the hard drive is the issue (though the hard drive barely has anything on it, it relatively new and hasn't had any issues). Only lightroom classic is having issues. Does anyone have any information or experience with this issue?

The issue didn't happen before updating the program recently. 

Responses

272 Messages

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4.2K Points

2 years ago

Did you delete the lrdata file and restart Lightroom? What was the result if you did?

5 Messages

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112 Points

2 years ago

I did delete the file and restart lightroom. The issue stayed away then came back an hour or two later. It's getting quite frustrating. 

67 Messages

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1.4K Points

2 years ago

You are probably running some sync service , that includes the catalog folder and previews. Do not sync files while in use. Sync after you quit Lightroom. Previews should not be synced anyway, because it is not necessary, and it is waste of backup disk space and line capacity.

5 Messages

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112 Points

Hi Arnold,

Thanks for reaching out. I don't believe syncing is on or being used, but I would like to double check that. Can you point me in the direction of how to make sure that syncing is off?

thanks

13 Messages

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268 Points

I think Arnold referred to some third party file syncing. Like Dropbox or such. Also a backup solution might cause something like this, especially on pessimistic file locking file systems such as Windows has.

I have not had issues before nor now with cache corruption. Reason that LR is having these while other software might not is that there is a ton of data moving there.

Do not position the library on any network share or such, it will not work either. Naturally your photos may be wherever you feel them need to be tho.

If your library is on an external disk, try relocating it to an internal one to see if the issue is with that drive only.

67 Messages

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1.4K Points

Yes, it is not syncing inside of Lightroom, but any backup or cloud based, like iDrive, DropBox or any third party sync software. They all usually react upon changes in files and folders included in sync operation. It is hard to be more precise, because there are several choices.
I know very well this problem from a user group I am running in Norway. Actually it is quite common. When users turn off the syncing while Lightroom is running, the problem is gone. 
Anyway, you should not sync previews. The are huge, and syncing preview data creates a lot of wasted traffic. If preview data are missing, Lightroom creates new when needed.
The problem is allways connected to the preview data.

5 Messages

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112 Points

I doubled checked in Lightroom Classic and syncing is off and has been (it has never synced anything). I also don't have any cloud based backups on my laptop like Dropbox, etc.

13 Messages

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268 Points

Try making a new user account on the machine and testing there. 

Also try copying your library to another drive (that is directly connected to your machine) and opening it from there.