Rule with action 'send PDF' doesn't send PDF but records it
On Drupal 7.89 x CiviCRM 5.47.3 a rule with an action to send a PDF attached doesn't actually send it even though in the rule's log it records that it has been triggered. Checking the SMTP gateway confirmed that no e-mail is send. But a simple Action send an e-mail
works.
So the action is recorded but actually not fired