Date: September 19, 2022 Categories: Development Tags: facebook, instagram Comments: 0 Cross-site request forgery validation failed. Required param “state” missing from persistent data. https://stackoverflow.com/questions/44684473/facebook-sdk-error-cross-site-request-forgery-validation-failed-required-param Leave a Reply Cancel replyYour email address will not be published.Comment Name Email Website Save my name, email, and website in this browser for the next time I comment.