Getting Error Code 36 while trying to backup LR catalog file to backup hard drive.

Question

Currently trying to backup my existing external hard drive that I used to store all my LR stuff to a secondary hard drive for safekeeping and it keeps failing.

Error message reads as such:

“The finder cannot complete the operation because some data in “AMW_Lightroom Catalog 2-v12 Previews.lrdata can’t be read or written. (Error code -36)”

This is my current active catalog that I have been working off of with no problems so I do not understand where the problem is coming from.

currently working on a newer MacBook Pro.

The file tagged with the yellow dot is the one that keeps failing.

JohanElzenga · Answer

Lightroom Classic can rebuild the previews, so you do not really have to backup this file. Here's an explanation about that error and some suggestions how to fix it: https://macpaw.com/how-to/fix-error-code-36

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