My answers below:
1. Open the Model https://my.vertabelo.com/model/kVeVbnHmra7sqYjzaJaTtWuaUySROIj6 and add a table and wait for 3 minutes for the error to pop
2. MacOS Catalina
4. I am not sure if I am behind the corporate firewall.
Do you have any update on this issue? It is causing delays to our project. This is high priority.
Customer support service by UserEcho