Extensions > Watchdog > Start fails to start with :
PLESK_ERROR: Error: Error occurred while calling the module utility wdservice: 'start: Job is already running: psa-wdcollect
curlis used on the server being version 7.66:
# curl -V
Watchdog uses HTTP/0.9 and
curl 7.66 dropped support for HTTP/0.9.
This has been reported as bug ID PPPM-11123 which will be fixed in future updates.
Currently, there is no workaround possible. Susbcribe to this article in order to get a notification when the bug is fixed.