Sorry to say, but this version modem-manager-gui 0.0.20-5 (amd64 binary) crashes with the same error messages on Ubuntu 22.04.3 LTS. BTW which version has your NetworkManager?
Sorry to say, but this version modem-manager-gui 0.0.20-5 (amd64 binary) crashes with the same error messages on Ubuntu 22.04.3 LTS.
BTW which version has your NetworkManager?