There is insufficient space available on the server for some uploads

Please see the attached image. I’ve got an alarm on Desktop client that says “there is insufficient space available for some uploads”. However there is 111GB available space on the server actually. I can still upload files from web interface. I just want to figure out how this alarm has come up. Thank you.

Info given below may be helpful:
Operating system: Ubuntu 17.10.1

Web server: Apache 2.4.27

Database: MySql 5.7.22

PHP version: 7.1.17

ownCloud version:

Updated from an older ownCloud or fresh install: fresh install

Where did you install ownCloud from: Oct. 2018 (last week)

Are you using external storage: no.

Are you using encryption: no

Are you using an external user-backend: no

duplicate of

answer is in the original post