Yes, I did. I noticed quickstart plugin was not compatible to my version of BB. Do you think this is the problem?
11/4 03:10:30  - warn: [plugins/load] The following plugins may not be compatible with your version of NodeBB. This may cause unintended behaviour or crashing. In the event of an unresponsive NodeBB caused by this plugin, run `./nodebb reset -p PLUGINNAME` to disable it.