Met with the following Redis sever error in vagrant, doubting if it's because there is no available space in /srv (https://dpaste.de/oAyB/raw):

[cc2f45c0] /wiki/Special:Newsletter/1/announce JobQueueError from line 719 of /srv/vagrant/mediawiki/includes/jobqueue/JobQueueRedis.php: Redis server error: Could not insert 1 EchoNotificationDeleteJob job(s).
Backtrace:

#0 /srv/vagrant/mediawiki/includes/jobqueue/JobQueueRedis.php(231): JobQueueRedis->throwRedisException(RedisConnRef, RedisException)
#1 /srv/vagrant/mediawiki/includes/jobqueue/JobQueue.php(324): JobQueueRedis->doBatchPush(array, integer)
#2 /srv/vagrant/mediawiki/includes/jobqueue/JobQueue.php(296): JobQueue->batchPush(array, integer)
#3 /srv/vagrant/mediawiki/includes/jobqueue/JobQueueGroup.php(129): JobQueue->push(array)
#4 /srv/vagrant/mediawiki/extensions/Echo/includes/controller/NotificationController.php(131): JobQueueGroup->push(array)
#5 /srv/vagrant/mediawiki/extensions/Echo/includes/controller/NotificationController.php(109): EchoNotificationController::enqueueDeleteJob(array, EchoEvent)
#6 /srv/vagrant/mediawiki/extensions/Echo/includes/model/Event.php(155): EchoNotificationController::notify(EchoEvent, boolean)
#7 /srv/vagrant/mediawiki/extensions/Newsletter/includes/specials/SpecialNewsletter.php(453): EchoEvent::create(array)
#8 /srv/vagrant/mediawiki/includes/htmlform/HTMLForm.php(592): SpecialNewsletter->submitAnnounceForm(array)
#9 /srv/vagrant/mediawiki/includes/htmlform/HTMLForm.php(504): HTMLForm->trySubmit()
#10 /srv/vagrant/mediawiki/includes/htmlform/HTMLForm.php(519): HTMLForm->tryAuthorizedSubmit()
#11 /srv/vagrant/mediawiki/extensions/Newsletter/includes/specials/SpecialNewsletter.php(380): HTMLForm->show()
#12 /srv/vagrant/mediawiki/extensions/Newsletter/includes/specials/SpecialNewsletter.php(58): SpecialNewsletter->doAnnounceExecute()
#13 /srv/vagrant/mediawiki/includes/specialpage/SpecialPage.php(384): SpecialNewsletter->execute(string)
#14 /srv/vagrant/mediawiki/includes/specialpage/SpecialPageFactory.php(553): SpecialPage->run(string)
#15 /srv/vagrant/mediawiki/includes/MediaWiki.php(248): SpecialPageFactory::executePath(Title, RequestContext)
#16 /srv/vagrant/mediawiki/includes/MediaWiki.php(682): MediaWiki->performRequest()
#17 /srv/vagrant/mediawiki/includes/MediaWiki.php(474): MediaWiki->main()
#18 /srv/vagrant/mediawiki/index.php(43): MediaWiki->run()
#19 /var/www/w/index.php(5): include(string)
#20 {main}