What I did: i tried to add a star by right clicking and clicked “Mark with Star”.
Then when I selected the star and clicked command+c, that is when is try to copy, the APP completely crashes and is closed.
Things that might be helpful to know (Agenda version, OS and model, etc):
Agenda version: 2.21
OS : MAC OS 10.13.5
Model : Macbook pro 15” mid 2015