Answers for "fatal error: uncaught facebook\exceptions\facebooksdkexception: cross-site request forgery validation failed. required param "state" missing from persistent d"

Cross-site request forgery validation failed. Required param "state" missing from persistent data

//At the top of both scripts (Facebook and login_page.php) add the follow:
if(!session_id()) {
    session_start();
}

Posted by: Guest on November-09-2020

Code answers related to "fatal error: uncaught facebook\exceptions\facebooksdkexception: cross-site request forgery validation failed. required param "state" missing from persistent d"