To fix the problem with not getting the Plugins and Monitored events section of the Gui .

Replace the triggers.json file contents with this Json.

cd /home/pi/config/channel_triggers/channel_1/triggers.json

{"stream_timeout": "true", "other": "false", "scene changed": "false", "motion": "false", "test": "true", "human presence": "true", "human": "true",  "stream_restored": "true", "network status": "false", "channel": "channel1", "tamper_restore": "false", "virtual fence": "false", "alarm": "false", "fps_low":"true", "arm": "true", "heartbeat": "false", "video loss": "true", "mains_restored": "false", "vehicle": "false", "vegetation": "false", "animal": "false", "tamper": "false", "hdd failed": "false", "rain": "false", "tamper_restored": "true", "disarm": "true", "mains fail":  "false", "background": "false","fps_restored": "true", "activity": "false","mains_failure":"true","mains_restored":"true"}

cd /home/pi/config/channel_triggers/channel_1/       

cp triggers.json /home/pi/config/channel_triggers/channel_X/triggers.json   

change the X to the Channel number to copy to.