Does the error Deprecated: strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /Applications/XAMPP/xamppfiles/htdocs/wp/wp-admin/admin-header.php on line 36 means that there's some error in my entry in the plugin setting page in which I inputted like: This is the code that I injected inside the plugin: <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.21/vue.min.js" integrity="sha512-gZXznGeZJ2FYwbt4P1pvcjTG8Y5WZItLcAXlSKQyDfBKzCIZRJltzC+N+Nn495M4RedG64OYJ1ef2dpmVnU57Q==" crossorigin="anonymous" referrerpolicy="no-referrer"></script> <script> new Vue({ el: '#app', data: { testData: false }, mounted(){ console.log("Loaded"); } }); </script> Thisis the plugin website : https://draftpress.com/ Cause I don't see my script being injected in the page when I inspect it.