Upgraded today from 18.10 and encountered same issue:
Could not install 'linux-image-5.0.0-13-generic'
The upgrade will continue but the 'linux-image-5.0.0-13-generic' package may not be in a working state. Please consider submitting a bug report about it.
Could not install the upgrades
The upgrade has aborted. Your system could be in an unusable state. A recovery will run now (dpkg --configure -a).
... then rebooted OK. No idea whether I'm good to go or not.
Upgraded today from 18.10 and encountered same issue: image-5. 0.0-13- generic'
Could not install 'linux-
The upgrade will continue but the 'linux- image-5. 0.0-13- generic' package may not be in a working state. Please consider submitting a bug report about it.
Could not install the upgrades
The upgrade has aborted. Your system could be in an unusable state. A recovery will run now (dpkg --configure -a).
... then rebooted OK. No idea whether I'm good to go or not.