Simlink no longer working on Mac

I’m using Catalina 10.15.7 and Simlink has stopped working. It was OK yesterday. I’ve downloaded and installed the latest Simlink with same result. I’ve uninstalled and reinstalled Simlink versions from May but they won’t load at all. Advice please.

Hi,

Please check this to fix the issue.

TR,

Vishal Ahir
Navigraph