Possibly the same issue as How to stop KDE from forgetting all of my activities settings
Since you also have Jul 25 11:25:36 Providence plasmashell[1294]: Aborting shell load: The activity manager daemon (kactivitymanagerd) is not running.
Possibly the same issue as How to stop KDE from forgetting all of my activities settings
Since you also have Jul 25 11:25:36 Providence plasmashell[1294]: Aborting shell load: The activity manager daemon (kactivitymanagerd) is not running.