If you encounter a “Cookie Check Failure,” it may not directly relate to the plugin itself. The issue could stem from cache or optimization plugins potentially interfering with your session and nonce values. You can refer to the documentation provided here for guidance on resolving this issue.
If after performing the steps from the above documentation you still experience this issue, you can look into these other solutions, but it shouldn’t be needed.
Bypass the Nonce check
This is not recommended for security purposes, but you can always bypass this check by using the following filter:
add_filter( 'mwai_rest_authorized', function($rest_nonce, $request) {
return true;
}, 10, 2);
This will always return true, so the check should never fail.
Your session has expired
WordPress nonces are valid for 12-24 hours and use a “tick” system where each tick is 12 hours. Cache/CDN is likely caching pages with old nonces, causing authentication failures.
Here are some steps you ca take:
Exclude AI Engine Endpoints from Caching
Add these endpoints to your Cache exclusions:
/wp-json/mwai/v1/*/wp-json/mwai-ui/v1/*
Specifically exclude these critical endpoints:
/wp-json/mwai/v1/start_session/wp-json/mwai-ui/v1/chats/submit/wp-json/mwai*
Exclude Nonce-Related Cookies and Parameters
Add these to your cache exclusions:
Cookies to exclude:
mwai_session_id- Any cookies containing
_wpnonce - WordPress authentication cookies:
wordpress_*,wp_*
URL Parameters to exclude:
restNonce_wpnonceX-WP-Nonce