Error when adding new post or page, or edit of excisting

Hi,

I get the following error when I want to add or edit a post or page:

TypeError: this.activateMode is not a function
    at https://www.movingfurniturerecords.com/wp-includes/js/media-views.min.js?ver=4.9.8:1:24303
    at Bt (https://www.movingfurniturerecords.com/wp-content/plugins/events-gutenberg/plugins/common/src/resources/js/hoc.js?ver=0.2.7-alpha:9:5240)
    at Function.Vo (https://www.movingfurniturerecords.com/wp-content/plugins/events-gutenberg/plugins/common/src/resources/js/hoc.js?ver=0.2.7-alpha:9:40290)
    at n._createModes (https://www.movingfurniturerecords.com/wp-includes/js/media-views.min.js?ver=4.9.8:1:24263)
    at n.initialize (https://www.movingfurniturerecords.com/wp-includes/js/media-views.min.js?ver=4.9.8:1:23672)
    at n.initialize (https://www.movingfurniturerecords.com/wp-includes/js/media-views.min.js?ver=4.9.8:1:25310)
    at n.initialize (https://www.movingfurniturerecords.com/wp-includes/js/media-views.min.js?ver=4.9.8:1:28182)
    at n.e.View (https://www.movingfurniturerecords.com/wp-admin/load-scripts.php?c=0&load%5B%5D=jquery-core,jquery-migrate,utils,underscore,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,shortcode,backbo&load%5B%5D=ne,wp-util,wp-backbone,media-models,moxiejs,plupload,wp-plupload,jquery-ui-sortable&ver=4.9.8:62:14744)
    at n.constructor (https://www.movingfurniturerecords.com/wp-admin/load-scripts.php?c=0&load%5B%5D=jquery-core,jquery-migrate,utils,underscore,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,shortcode,backbo&load%5B%5D=ne,wp-util,wp-backbone,media-models,moxiejs,plupload,wp-plupload,jquery-ui-sortable&ver=4.9.8:65:2616)
    at n.constructor (https://www.movingfurniturerecords.com/wp-includes/js/media-views.min.js?ver=4.9.8:1:23119)

Hope someone can help me fixing this.
I have now disabled Gutenberg and it works without problem.

Kind regards,

Sietse

The page I need help with: [log in to see the link]