Unknown Error :: Operation Canceled

Sorry to hear you’re facing problems :slight_frown:

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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the following as you can (you can cut and paste this into your topic):

Nextcloud version (eg, 10.0.2): 11.0
Operating system and version (eg, Ubuntu 16.04): Hosted
Apache or nginx version (eg, Apache 2.4.25): Hosted
PHP version (eg, 5.6): Hosted
Is this the first time you’ve seen this error?: No

Can you reliably replicate it? (If so, please outline steps):

Just start sync’ing directory

The issue you are facing:

I’m using Nextcloud client 2.3.1 on ubuntu-16.10 and it’s taking ages to sync. I just placed about 600Gio into the sync directory and it’s stopping every 20 seconds, displaying the error: “Unknown Error, Operation canceled”. There’s nothing noteworthy in the server log.

The output of your Nextcloud log in Admin > Logging:

Nothing noteworthy

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):


The output of your Apache/nginx/system log in /var/log/____:


Remember, this information may be requested if it isn’t supplied; for fastest response please provide as much as you can :heart: Feel free to use a pastebin service, otherwise log files can be indented with 4 spaces on each line to present them in a friendlier way on the forum.