Cannot Install Add-on

[Patrick Iverson]

When trying to install the Draw.io add-on we receive the below error, repeatedly. 

We ran into a little trouble

Please verify that your payment details and license status are correct before trying to install the app again.

Try again

[Patrick Iverson]

They turned me directly to Atlassian help. None of these answers are helpful. 

[Bastian -drawio Diagrams-]

If you are still facing issues, turn to support@draw.io, you will get immediate help.

[Carla Ann Rowland]

Have you purchased a license. If you did you still have to install as a trial and then apply your purchased license.