Node-red and Revolution Pi

[Anil]

hello Kunbus team,

I had gone through the following link:viewtopic.php?f=3&t=868&p=3544&hilit=node+red#p3544
and this one:viewtopic.php?f=6&t=978&p=3993&hilit=No ... n+Pi#p3993 and
followed this blog
https://revpimodio.org/en/nodered-mqtt-2/

After configuring the REVPIPYLOAD FOR MQTT directly from the RevPi
mosquitto_sub -t "#" -v

putty4.png (17.8 KiB) Viewed 15606 times

Then come to the node-red as shown below I created a simple node connection and deployed.

node-red.png (75.33 KiB) Viewed 15606 times

The chart which is opened in another window not showing anything, it is blank.

node-red_chart.png (39.97 KiB) Viewed 15606 times

Where I am going wrong ? please help me.