Often when I'm typing an email on my desktop, I get a pop-up message sayingThe message “” could not be moved to the mailbox “(null)”. But I
Often when I'm typing an email on my desktop (Monterrey), I get a pop-up message sayingThe message “” could not be moved to the mailbox “(null)”. But I'm not trying to move the message -- I'm still in the process of typing it.
iMac 21.5″, macOS 12.4