I get the following warning when timely WP add is enabled:
Warning: apcu_fetch(): Function spl_autoload_call() hasn't defined the class it was called for in...
- See more at: http://ballroomdancingstlouis.com/event/open-house-party/?instance_id=1
Please raise any issues to support. https://time.ly/support. You can reference this link in case they validate the bug and they will reopen it then.