For operation scheduling the help text gives this example(s)

So cron expressions can be as simple as this: * * * * ? *
or more complex, like this: 0/5 14,18,3-39,52 * ? JAN,MAR,SEP MON-FRI 2002-2010

The 1st one ( * * ... ) does just not work and ends up in a red bar / parse error.
We should provide a valid example here

The 2nd one (0/5 14....) ends up in a red bar as it will never fire.
We should either update that or explain it in the help text.


See also Bug 996274