8.4.2 Error: Permission denied to access property "nodeType"

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I have a number input field:
echo $form->number('open', '', ['min' => '0', 'max' => '24', 'class' => "decimals"]);

When I change its value with up/down buttons, I get the following error:
Error: Permission denied to access property "nodeType"
CKEDITOR.dom.node
http://localhost/c584/concrete/js/ckeditor4/vendor/ckeditor.js:70:3...
CKEDITOR.dom.selection
http://localhost/c584/concrete/js/ckeditor4/vendor/ckeditor.js:448:...
CKEDITOR.editor.prototype.getSelection
http://localhost/c584/concrete/js/ckeditor4/vendor/ckeditor.js:446:...
q
http://localhost/c584/concrete/js/ckeditor4/vendor/ckeditor.js:703:...
t
http://localhost/c584/concrete/js/ckeditor4/vendor/ckeditor.js:703:...
b/</d<
http://localhost/c584/concrete/js/ckeditor4/vendor/ckeditor.js:694:...

What could be causing it? Why ckeditor? It's just a number field.

linuxoid
 
linuxoid replied on at Permalink Reply
linuxoid
Anyone had this error or know why it happens?

That input is on the same Dashboard single page as an editor text input. What could be causing the conflict?