E-mail notification in checklist for Service Request?

HI guys,

I am configuring e-mail notification for 'Employee Responsible' in checklist for Service Request (BUS2000223).

I did all steps explained in SPRO:

However, I do not see any Workflow tasks in WebUI Home page:

And no e-mail notification is triggered neither in SBWP neither to Outlook e-mail.

Please any suggestions or assistance?