Internal Server Error Nextcloud Hub 8 (29.0.4)

ℹ️ Support
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1

I have three Nextcloud 29.0.4 instances running in LXC containers on Proxmox. They all use the same version and installation script, except one instance displayed a notification about a missing index and included instructions to run a script to create the indexes.

The instance with the updated index is causing issues—it crashes intermittently, especially when trying to display larger images or sync larger file collections. When it crashes, I get the following error:

Internal Server Error

The server encountered an internal error and was unable to complete your request.
Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.
More details can be found in the server log.

The only way to resolve this is by restarting the LXC container, after which it runs fine until the next crash. The other two instances remain stable.

I got one error; failed the integrity check.

Results

  • core
    • INVALID_HASH
      • core/templates/layout.guest.php
2

This is just a generic error. Check your nextcloud.log for details to determine what is really going on.

I got one error; failed the integrity check.

Somehow in your environment that file appears to have been manually modified.