Hi there, welcome to the community.
It seems that this application is not getting internet access. You might want to try uninstalling and re-installing the application.
You might also want to check on the setting on the Mac firewall.
From this link (apple support site).
- Open System Preferences.
- Click the Security or Security & Privacy icon.
- Select the Firewall tab.
- Click the lock icon in the preference pane, then enter an administrator name and password.
- Click the Firewall Options button
- Click the Add Application (+) button.
- Select the app you want to allow incoming connection privileges for.
- Click Add.
- Click OK.
