Can’t save…

I get this error in the console:
VM1716 load-scripts.php:2 Uncaught Error: cannot call methods on iris prior to initialization; attempted to call method ‘toggle’
at Function.error (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:2:1814)
at HTMLInputElement.<anonymous> (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:31:2115)
at Function.each (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:2:2881)
at a.fn.init.each (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:2:846)
at a.fn.init.a.fn.(anonymous function) [as iris] (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:31:1857)
at a.(anonymous function).(anonymous function).close (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-ui-mouse,jquery-ui-resizable,jquery-ui-draggable,jquery-ui-button,jquery-ui-dialog,wpdialogs,hoverIntent,common,admin-bar&load%5B%5D=,underscore,heartbeat,autosave,suggest,wp-ajax-response,jquery-color,wp-lists,jquery-ui-sortable,postbox,jquery-ui-menu,wp-a11y,&load%5B%5D=jquery-ui-autocomplete,tags-suggest,tags-box,word-count,post,svg-painter,wp-auth-check,shortcode,backbone,wp-util,wp-backbone,me&load%5B%5D=dia-models,wp-plupload,wp-mediaelement,wp-api-request,media-views,media-editor,media-audiovideo,mce-view,imgareaselect,image-edi&load%5B%5D=t,jquery-ui-slider,jquery-touch-punch,iris,wp-color-picker,editor,quicktags,wplink,media-upload,media-grid&ver=4.9.4:400:3055)
at a.(anonymous function).(anonymous function).close (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:31:1032)
at HTMLBodyElement.d (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:2:3856)
at HTMLBodyElement.dispatch (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:3:12444)
at HTMLBodyElement.r.handle (https://palettepaint.com/wp-admin/load-scripts.php?c=1&load%5B%5D=jquery-core,jquery-migrate,jquery-ui-core,jquery-ui-widget,jquery-ui-position,utils,moxiejs,plupload&ver=4.9.4:3:9173)