Zend certified PHP/Magento developer

Add or edit product not load when canonical enable

I installed the SEO module on the localhost and when it enters the products I can not edit or add the products
I noticed that activating Canonical in mageworx does not load the full screen
Interestingly, this problem is not seen in Chrome
I noticed that when Canonical is enabled in Mageworx seo, the screen does not load and the spinner does not hide
Where can the problem come from?
How can I remove Canonical from the Product Management page?