Right clicking applet "System monitor Sensor" -> "Open System Monitor" does nothing except bring up this message:

Plasma Desktop Workspace

Plasma Workspace

Internal error: could not prompt the

user for which application to start.

I would like this to start ksysguard.

System info:

Operating System: Fedora 34

KDE Plasma Version: 5.22.4

KDE Frameworks Version: 5.83.0

Qt Version: 5.15.2

Kernel Version: 5.13.5-200.fc34.x86_64 (64-bit)

Graphics Platform: X11

Processors: 8 × Intel® Core™ i7-4790K CPU @ 4.00GHz

Memory: 15.5 GiB of RAM

Graphics Processor: Mesa DRI Intel® HD Graphics 4600

System monitor Sensor 1.0

--

Sincerely Jonathan Ryshpan <jonrysh@pacbell.net>

	And God fulfills himself in many ways
	Lest one good custom should corrupt the world.
	-- Tennyson