"New event" email missing who it was published by

The "new event published" email notification is missing the name of who published it. The sentence ends with an empty name before the period. **Where:** Email notification — "New event: {event}". **Evidence:** The body reads: *"A new event **Skeptics in the Pub** has been published by ."* — the publisher (person or organization) is blank right before the full stop. **Expected:** The email should name who published the event, e.g. "…has been published by **{organizer / group name}**." **Steps to reproduce:** 1. Publish an event that triggers the "new event" email to followers. 2. Open the email. 3. The "published by" line has no name.