Handshake extraction failed!

[Tsotilakos]

Maybe. From what I have read here, the tool does only DEAUTHENTICATION attacks and it doesn't detect a packet loss during reception.
Hcxpcapngtool (no tool) can bring back lost packets.

thanks for your help ! solved it was a bad recording

Hi mate, i have the same problem with you.
What did you do and worked?
Please help me, i tried 2-3 different networks and i have same problem to all