launching problem

Hello,
I've just started to use vortex and after using it few times now I have problem with launching  it on Mac OS 
<img width="1105" alt="java" src="https://user-images.githubusercontent.com/66350193/83599606-7abe0a00-a521-11ea-8ce9-2396ca0c3cbb.png">
manual launching as well doesn't work
I'd appreciate any help.
Thank you 
Dorota