Uninstall via Atlassian Universal Plugin Manager
At first we will uninstall the plugin and finally we'll remove the corresponding tables in the internal database.
Uninstall the plugin
If you are not familiar with Universal Plugin Manager (UPM), please read this document before we begin.
1) Log in as administrator and go to Administration->Add-ons->Manage add-ons
2) Search for `User Group Picker Pro` add-onin `Manage add-ons` section and click on `Uninstall` button
3) Press `Continue` when the uninstall confirmation dialog box appears
4) A message "successfully uninstalled" should appear
Manual Uninstall
At first we will uninstall the plugin manually and finally we'll remove the corresponding tables in the internal database.
Uninstall the plugin
Goto the folder where Jira server has been installed.
Access <JIRA_APPLICATION_DATA>/plugins/installed-plugins and manually delete `User Group Picker Pro` plugin.
Restart the server
Now you can restart Jira server