Strange number appears in description?!

Hi there!

I added some events today and realized that there is a number appearing in the description, although I didn’t type it in!

The numbers also change.

Does anyone know how to eliminate those numbers from the description?

See screenshots here:
– https://time.ly/wp-timely/wp-content/uploads/2014/10/calender_number2.png

– https://time.ly/wp-timely/wp-content/uploads/2014/10/Auswahl_007.png

Thank you in advance about a timely response!

Chipy

https://wordpress.org/plugins/all-in-one-event-calendar/