What I did:
During 1st instance I did not grant access of my calendar to Agenda.
While try to “connect to calendar” second time, I was take to systme preferences / firewall option.
What I expected:
I was expecting grant access window to come up so that I can sync my calendar to Agenda
Things that might be helpful to know (Agenda version, OS and model, etc):
Agenda version: 1.3
OS: Mac OS 10.13.3
Model : MacBook Air