Group Social in Email Builder won't save

Your software
My Mautic version is: 4.2.1
My PHP version is: 7.4.28
My Database type and version is: Mysql 7.4.28

Your problem
My problem is:
I’m using and modifying the “truly personal” email template
is there a “Save” button, keystroke or anything that executes a save?

Group Social won’t save.
Group Social won’t save after adding href’s to one social element
Group Social won’t save after adding href’s to any social element
These errors are shown in the log:
None

Steps I have tried to fix the problem:
clicking “X” in upper right corner
Save.
Save and close