Frescobaldi 3.1.1 doesn't even start

[Massimiliano Viel]

Hi everybody,
I checked today the last version of Frescobaldi for macOS on an iMac mid-2011 
with 16 GB Ram and macOS 10.13.6.
After a few second after double-clicking the icon it just crashes without 
comments.

Any hint?

Thank you!

massimiliano