Lightroom Classic: Internal Error has occured: attempt to make a request on a closed server

  • 1
  • Problem
  • Updated 2 years ago
  • Solved
  • (Edited)
While attempted to do a weekly backup of my LR classic catalog. The process starts. then after about 2 minutes  I get a dialog box: "An internal error has occurred- Attempt to make a request on a closed server"  I was backing up to my C: drive then tried an aalternate drive E: on my windows 10 machine.
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Ronald Byram

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Posted 2 years ago

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John R. Ellis, Champion

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Official Response
This is typically caused by a bug where Windows LR fails to properly notify plugins of the impending shutdown.  Usually, you can ignore the error by clicking OK, and the backup will still occur.  (You should verify that, however.)

To find out which plugin is triggering the bug, do File > Plug-in Manager and disable every plugin by selecting it and clicking Disable in the Status pane on the right. Verify that the problem doesn't occur. Then re-enable each plugin in turn, seeing if that triggers the problem when you exit. When you find the plugin(s) causing the problem, notify the plugin developer and send them a link to this post explaining how to work around the bug: