Error 500! Property "DeliveryServer Sendgrid WebApi.force sender is undefined.

[Günther]

Dear support,
what is false in my sets....Since 2 hours i trie to set a delivery server over sendgrid....an i get again "Error 500! Property "DeliveryServer Sendgrid WebApi.force sender is undefined."

What have i do

1. In sendgrid create a api and use them in mailwizz
   
2. Username * i try sendgrid username and also account email adress
3. From email i take sendgrid account email

But i get 500 error....
Whats is wrong???
Whats is the cusomer in delivery server sets? Must i set it or can this empty?

 

[twisted1919]

@Günther - Open a support ticket with the login to your app and the login to sendgrid so that i can have a look.

 

[Günther]

It's done!! Ticket is created. Please help...