For me this was to do with my VPN connection and I have found a work-around. I edited the file matching the name of my VPN connection in: /etc/NetworkManager/system-connections/
I changed 'password-flags=1' to 'password-flags=0'
and added a section like this:
[vpn-secrets] password=XXXXXXXX
where XXXXXXX is my password in cleartext.
For me this was to do with my VPN connection and I have found a work-around. I edited the file matching the name of my VPN connection in: ager/system- connections/
/etc/NetworkMan
I changed 'password-flags=1' to 'password-flags=0'
and added a section like this:
[vpn-secrets]
password=XXXXXXXX
where XXXXXXX is my password in cleartext.