Error : 409 conflict

  • Platform information:
    • Hardware: HP laptop
    • OS: ubuntu 16
    • Java Runtime Environment:1.8
    • openHAB version: v2
  • Issue of the topic:
    Whenever I try to ad things I get the error code in the bottom right corner?

what is it and what can i do about it ?
i am new so i am not always sure about the commands ?

Please be a bit more precise about your java and openHAB version.

In general this error indicates that there is a conflict between something you´ve added before. Please see

basically i selected demo mode when it ran for the first time and i installed the network binding to monitor a device on the network . as i am still learning the system. and nothing works . it picked up things in the inbox but can’t add any thing.
how do a remove openhab and start all over. complete clean openhanded install .
so that i can make selection on first start up and not select the demo mode.

java version "1.8.0_151"
Java™ SE Runtime Environment (build 1.8.0_151-b12)
Java HotSpot™ Server VM (build 25.151-b12, mixed mode)

Uninstall -
Install -

open hab infoVersion: 2.2.0 (Build)

User: openhab (Environment Variable Set)
User Groups: openhab

Directories: Folder Name | Path | User:Group
----------- | ---- | ----------
OPENHAB_HOME | /usr/share/openhab2 | root:root
OPENHAB_RUNTIME | /usr/share/openhab2/runtime | openhab:openhab
OPENHAB_USERDATA | /var/lib/openhab2 | openhab:openhab
OPENHAB_CONF | /etc/openhab2 | allen:allen
OPENHAB_LOGDIR | /var/log/openhab2 | openhab:openhab

uninstalled openhab. will do a new install after system update.

Ups, by the way. If you used a package install, then you should use
to remove