These are the errors: (I don’t see a 403 Forbidden Error?)

mouse.min.js?ver=1.12.1:11 Uncaught TypeError: o.widget is not a function
at mouse.min.js?ver=1.12.1:11
at mouse.min.js?ver=1.12.1:11
at mouse.min.js?ver=1.12.1:11
sortable.min.js?ver=1.12.1:11 Uncaught TypeError: u.widget is not a function
at sortable.min.js?ver=1.12.1:11
at sortable.min.js?ver=1.12.1:11
at sortable.min.js?ver=1.12.1:11
draggable.min.js?ver=1.12.1:9 Uncaught TypeError: P.widget is not a function
at draggable.min.js?ver=1.12.1:9
at draggable.min.js?ver=1.12.1:9
at draggable.min.js?ver=1.12.1:9
droppable.min.js?ver=1.12.1:9 Uncaught TypeError: a.widget is not a function
at droppable.min.js?ver=1.12.1:9
at droppable.min.js?ver=1.12.1:9
at droppable.min.js?ver=1.12.1:9
slider.min.js?ver=1.12.1:11 Uncaught TypeError: r.widget is not a function
at slider.min.js?ver=1.12.1:11
at slider.min.js?ver=1.12.1:11
at slider.min.js?ver=1.12.1:11
iris.min.js?ver=1.0.7:5 Uncaught TypeError: a.widget is not a function
at iris.min.js?ver=1.0.7:5
at iris.min.js?ver=1.0.7:5
color-picker.min.js?ver=5.6:2 Uncaught TypeError: i.widget is not a function
at color-picker.min.js?ver=5.6:2
at color-picker.min.js?ver=5.6:2
menu.min.js?ver=1.12.1:11 Uncaught TypeError: o.widget is not a function
at menu.min.js?ver=1.12.1:11
at menu.min.js?ver=1.12.1:11
at menu.min.js?ver=1.12.1:11
autocomplete.min.js?ver=1.12.1:11 Uncaught TypeError: u.widget is not a function
at autocomplete.min.js?ver=1.12.1:11
at autocomplete.min.js?ver=1.12.1:11
at autocomplete.min.js?ver=1.12.1:11
avia-modal.js?ver=5.6-4.7.6.4:1240 Uncaught ReferenceError: Color is not defined
at avia-modal.js?ver=5.6-4.7.6.4:1240
at avia-modal.js?ver=5.6-4.7.6.4:1405
wp-pointer.min.js?ver=5.6:2 Uncaught TypeError: s.widget is not a function
at wp-pointer.min.js?ver=5.6:2
at wp-pointer.min.js?ver=5.6:2
load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2 jQuery.Deferred exception: $(…).pointer is not a function TypeError: $(…).pointer is not a function
at wp_help_pointer_open (https://vrijevogels.be/wp-admin/post.php?post=195&action=edit:282:35)
at Object.<anonymous> (https://vrijevogels.be/wp-admin/post.php?post=195&action=edit:269:17)
at Function.each (https://vrijevogels.be/wp-admin/load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2:2976)
at HTMLDocument.<anonymous> (https://vrijevogels.be/wp-admin/post.php?post=195&action=edit:268:15)
at e (https://vrijevogels.be/wp-admin/load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2:30005)
at t (https://vrijevogels.be/wp-admin/load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2:30307) undefined
S.Deferred.exceptionHook @ load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2
load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2 jQuery.Deferred exception: l(…).sortable is not a function TypeError: l(…).sortable is not a function
at Object.init (https://vrijevogels.be/wp-admin/js/postbox.min.js?ver=5.6:2:3699)
at Object.add_postbox_toggles (https://vrijevogels.be/wp-admin/js/postbox.min.js?ver=5.6:2:2749)
at HTMLDocument.<anonymous> (https://vrijevogels.be/wp-admin/js/post.min.js?ver=5.6:2:4493)
at e (https://vrijevogels.be/wp-admin/load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2:30005)
at t (https://vrijevogels.be/wp-admin/load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2:30307) undefined
S.Deferred.exceptionHook @ load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2
load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2 Uncaught TypeError: $(…).pointer is not a function
at wp_help_pointer_open (post.php?post=195&action=edit:282)
at Object.<anonymous> (post.php?post=195&action=edit:269)
at Function.each (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
at HTMLDocument.<anonymous> (post.php?post=195&action=edit:268)
at e (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
at t (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2 Uncaught TypeError: l(…).sortable is not a function
at Object.init (postbox.min.js?ver=5.6:2)
at Object.add_postbox_toggles (postbox.min.js?ver=5.6:2)
at HTMLDocument.<anonymous> (post.min.js?ver=5.6:2)
at e (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
at t (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
avia-builder.js?ver=5.6-4.7.6.4:380 Uncaught TypeError: Cannot read property ‘version’ of undefined
at $.AviaBuilder.activate_element_dragging (avia-builder.js?ver=5.6-4.7.6.4:380)
at $.AviaBuilder.sendToAdvancedEditor (avia-builder.js?ver=5.6-4.7.6.4:721)
at Object.success (avia-builder.js?ver=5.6-4.7.6.4:1042)
at c (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
at Object.fireWith [as resolveWith] (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
at l (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
at XMLHttpRequest.<anonymous> (load-scripts.php?c=1&load[chunk_0]=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=5.6:2)
post.php?post=195&action=edit:1 [DOM] Found 5 elements with non-unique id #_ajax_nonce: (More info: https://goo.gl/9p2vKq) <input type=​”hidden” id=​”_ajax_nonce” name=​”_ajax_nonce” value=​”4ea5c6f29a”>​ <input type=​”hidden” id=​”_ajax_nonce” name=​”_ajax_nonce” value=​”4ea5c6f29a”>​ <input type=​”hidden” id=​”_ajax_nonce” name=​”_ajax_nonce” value=​”4ea5c6f29a”>​ <input type=​”hidden” id=​”_ajax_nonce” name=​”_ajax_nonce” value=​”4ea5c6f29a”>​ <input type=​”hidden” id=​”_ajax_nonce” name=​”_ajax_nonce” value=​”4ea5c6f29a”>​
post.php?post=195&action=edit:1 [DOM] Found 2 elements with non-unique id #avia-save-nonce: (More info: https://goo.gl/9p2vKq) <input type=​”hidden” name=​”avia-save-nonce” id=​”avia-save-nonce” value=​”3601303515″>​ <input type=​”hidden” name=​”avia-save-nonce” id=​”avia-save-nonce” value=​”3601303515″>​
util.js:228 Google Maps JavaScript API warning: NoApiKeys https://developers.google.com/maps/documentation/javascript/error-messages#no-api-keys
bA.o @ util.js:228