whats up intigration (how generate password usinf WART)

Question

Hi evryone 

 

usinng C#  i am trying to intigrate whats app api , for sending test message .

 

i have downloaded WART for generating password for my phone number but it is giving error like old version 

 

 please anybody explain me about how to generate password 

 

 

Thanks

Advance