You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 dolphin : Depends: libkf5baloowidgets5 (>= 4:18.08.0) but 4:17.12.3-0ubuntu1 is installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).

You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 dolphin : Depends: libkf5baloowidgets5 (>= 4:18.08.0) but 4:17.12.3-0ubuntu1 is installed
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).