valerie.s on "[Plugin: The Events Calendar] One null error remains after update"

Just bumping this because a new problem has arisen in this Null error issue, but it is in a thread marked resolved: https://wordpress.org/support/topic/null-error-1?replies=17

The most recent update fixed 2 of the 3 Null Error messages that display, but one remains. Is there a way to get rid of it? Perhaps a fix that doesn't involve disabling the debugger for my whole site? Thanks.

https://wordpress.org/plugins/the-events-calendar/

FYI we tried this recommended fix for the remaining Null Error and it didn't work:
https://wordpress.org/support/topic/null-error-not-resolved?replies=2#post-8539807