Arp network Spoofing

I followed everything properly in the section 5 and Redirecting the flow of packet in Network using arpspoof video minute 2:00 but mine could not spoof. Can anyone assist…?
![IMG_20220718_083847|666x500]

(upload://m3q6nOd8dOGIP5wJPyuzn6RsMSJ.jpeg)

Could you attach the image again?