Just as a suggestion, to avoid the infamous “security error” issue, and with several of the major caching plugins (W3 Total Cache, WP Super Cache, Quick Cache, etc.) all supporting the same convention to disable caching, could you look into using this:
The support post ‘Preempting the security error issue with caching plugins’ is closed to new replies.
Have a question about this support post? Create a new support post in our support forums and include a link to this existing support post so we can help you.
Support forum for Event Espresso 3 and Event Espresso 4.