Here are the console errors on the Wizard page
JQMIGRATE: Migrate is installed, version 1.4.1
load-scripts.php?c=0&load[chunk_0]=hoverIntent,common,hoverintent-js,admin-bar,wp-ajax-response,jquery-color,wp-lists,jquery-ui-core,jquery-ui-widget,jquery-ui-mou&load[chunk_1]=se,jquery-ui-sortable,postbox,underscore,shortcode,backbone,wp-util,wp-backbone,media-models,wp-plupload&ver=5.3.2:9 Uncaught ReferenceError: ajaxurl is not defined
at load-scripts.php?c=0&load[chunk_0]=hoverIntent,common,hoverintent-js,admin-bar,wp-ajax-response,jquery-color,wp-lists,jquery-ui-core,jquery-ui-widget,jquery-ui-mou&load[chunk_1]=se,jquery-ui-sortable,postbox,underscore,shortcode,backbone,wp-util,wp-backbone,media-models,wp-plupload&ver=5.3.2:9
at load-scripts.php?c=0&load[chunk_0]=hoverIntent,common,hoverintent-js,admin-bar,wp-ajax-response,jquery-color,wp-lists,jquery-ui-core,jquery-ui-widget,jquery-ui-mou&load[chunk_1]=se,jquery-ui-sortable,postbox,underscore,shortcode,backbone,wp-util,wp-backbone,media-models,wp-plupload&ver=5.3.2:9
media-views.min.js?ver=5.3.2:1 Uncaught TypeError: Cannot set property 'isTouchDevice' of undefined
at Object.<anonymous> (media-views.min.js?ver=5.3.2:1)
at o (media-views.min.js?ver=5.3.2:1)
at Object.<anonymous> (media-views.min.js?ver=5.3.2:1)
at o (media-views.min.js?ver=5.3.2:1)
at media-views.min.js?ver=5.3.2:1
at media-views.min.js?ver=5.3.2:1
media-editor.min.js?ver=5.3.2:1 Uncaught ReferenceError: _ is not defined
at media-editor.min.js?ver=5.3.2:1
media-audiovideo.min.js?ver=5.3.2:1 Uncaught TypeError: Cannot set property 'mixin' of undefined
at Object.<anonymous> (media-audiovideo.min.js?ver=5.3.2:1)
at o (media-audiovideo.min.js?ver=5.3.2:1)
at Object.<anonymous> (media-audiovideo.min.js?ver=5.3.2:1)
at o (media-audiovideo.min.js?ver=5.3.2:1)
at media-audiovideo.min.js?ver=5.3.2:1
at media-audiovideo.min.js?ver=5.3.2:1
mce-view.min.js?ver=5.3.2:1 Uncaught ReferenceError: Backbone is not defined
at mce-view.min.js?ver=5.3.2:1
at mce-view.min.js?ver=5.3.2:1
6cmb2.min.js?ver=2.6.0:1 Uncaught TypeError: wp.media is not a function
at Object.cmb._handleMedia (cmb2.min.js?ver=2.6.0:1)
at HTMLInputElement.cmb.handleMedia (cmb2.min.js?ver=2.6.0:1)
at HTMLDivElement.dispatch (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.3.2:3)
at HTMLDivElement.r.handle (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.3.2:3)