My Idea
I had a other Problem with wpbakery Page builder, it come from the new Gutenberg Editor.
post-new.php?post_type=wpcf7_contact_form:1
Failed to load resource: the server responded with a status of 500 (Internal Server Error)
<!DOCTYPE html>
<!–[if IE 8]>
<html xmlns=”https://www.w3.org/1999/xhtml” class=”ie8 wp-toolbar” lang=”de-DE”>
<![endif]–>
<!–[if !(IE 8) ]><!–>
<html xmlns=”https://www.w3.org/1999/xhtml” class=”wp-toolbar” lang=”de-DE”>
<!–<![endif]–>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″ />
<title>Add New Form ‹ UDR / OVG APP — WordPress</title>
<script type=”text/javascript”>
addLoadEvent = function(func){if(typeof jQuery!=”undefined”)jQuery(document).ready(func);else if(typeof wpOnload!=’function’){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
var ajaxurl = ‘/wp-admin/admin-ajax.php’,
pagenow = ‘wpcf7_contact_form’,
typenow = ‘wpcf7_contact_form’,
adminpage = ‘post-new-php’,
thousandsSeparator = ‘.’,
decimalPoint = ‘,’,
isRtl = 0;
</script>
<meta name=”viewport” content=”width=device-width,initial-scale=1.0″>