TypeError - Can anyone help solve this?

[SrDenise]

TypeError: this._addClass is not a function
at t..._create (https://donboscosalesianportal.org/wp-includes/js/jquery/ui/sortable.min.js?ver=1.13.2:9:912)
at t..._create (https://donboscosalesianportal.org/wp-content/themes/Don-Bosco/et-pagebuilder/js/jquery-ui-1.10.4.custom.min.js?ver=1:6:5029)
at t..._createWidget (https://donboscosalesianportal.org/wp-content/themes/Don-Bosco/et-pagebuilder/js/jquery-ui-1.10.4.custom.min.js?ver=1:6:7036)
at new t.. (https://donboscosalesianportal.org/wp-content/themes/Don-Bosco/et-pagebuilder/js/jquery-ui-1.10.4.custom.min.js?ver=1:6:4592)
at HTMLDivElement. (https://donboscosalesianportal.org/wp-content/themes/Don-Bosco/et-pagebuilder/js/jquery-ui-1.10.4.custom.min.js?ver=1:6:6309)
at Function.each (https://donboscosalesianportal.org/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,regenerator-runtime,wp-polyfill,wp-hooks&ver=6.1:2:3003)
at s.fn.init.each (https://donboscosalesianportal.org/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,regenerator-runtime,wp-polyfill,wp-hooks&ver=6.1:2:1481)
at t.fn. [as sortable] (https://donboscosalesianportal.org/wp-content/themes/Don-Bosco/et-pagebuilder/js/jquery-ui-1.10.4.custom.min.js?ver=1:6:6232)
at Object.init (https://donboscosalesianportal.org/wp-admin/js/postbox.min.js?ver=6.1:2:3686)
at Object.add_postbox_toggles (https://donboscosalesianportal.org/wp-admin/js/postbox.min.js?ver=6.1:2:2725)