An error occurred, unable to change visibility of the calendar

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Sorry to hear you’re facing problems :slightly_frowning_face:

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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:

example

Or for longer, use three backticks above and below the code snippet:

longer
example
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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can :heart:

Nextcloud version (eg, 20.0.5): 23.0.0
Operating system and version (eg, Ubuntu 20.04): : Linux 3.10.0
PHP version (eg, 7.4): 7.4

The issue you are facing:
I have calendars that I am sharing with a group. Every time I click on one of these calendars in the left hand menu, I get the message ‘An error occurred, unable to change visibility of the calendar’.

Is this the first time you’ve seen this error? (Y/N): Yes, this is a new install

Steps to replicate it:

  1. Create a calendar that is shared with a group.
  2. Click on the listing of the calendar in the left hand menu

The output of your Nextcloud log in Admin > Logging: I don’t see any errors listed, and when I attempt to download the log file, I get an ‘internal server error’

do you have command line access to the server? access the data/nextcloud.log file directly