When creating a recurring class, you'll want to specify an end date to ensure that the series doesn't continue indefinitely.
Ending an Existing Series
When the decision to end a recurring series is made after the series creation, you must edit the class details to add an end date.
Access the class through the:
Schedule in the left side menu > select the class > Edit Class
Or through the class roster > ellipses > Edit Class
From the class editor, scroll to Recurring Ends > select On > select an end date from the date picker > Update Class.
Select Update This And All Future Classes > Update Class.