Hi, I have a customer about custom fields and custom filters.
I am trying to create a custom field, and then create a custom filter based on that custom field, but I am getting an error that says the "Field 'EmailSubject' does not exist, or you do not have permission to view it."
Here's proof that I created a custom field. Why do I still get the error? And I tried writing "EmailSubject" and "Email Subject" into the custom filters field, and it still didn't work. Please help.

