Contact Form 7 Version 5.0.2
Jquery Validation for Contact Form 7 Pro and
Jquery Validation For Contact Form 7 Version 4.1
Uncaught TypeError: wpcf7.initForm is not a function
at HTMLFormElement.<anonymous> (scripts.js?ver=5.0.2:33)
at Function.each (jquery.js?ver=1.12.4:2)
at a.fn.init.each (jquery.js?ver=1.12.4:2)
at HTMLDocument.<anonymous> (scripts.js?ver=5.0.2:31)
at i (jquery.js?ver=1.12.4:2)
at Object.fireWith [as resolveWith] (jquery.js?ver=1.12.4:2)
at Function.ready (jquery.js?ver=1.12.4:2)
at HTMLDocument.K (jquery.js?ver=1.12.4:2)
wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=5.0.2
Disabling Jquery Validation For Contact Form 7 prevents the error.