404 Page Not Found is returned and if I go to all the default settings

[vc_cta h2=”Canada Post Shipping Plugin for WooCommerce”]#1 Canada Post Shipping plugin that offers unparalleled features like Official Canada Post Shipping Label, Bulk-Shipment Creation, Return Label generation and Shipment Tracking.

• 3,000+ Active Installs
• 97% Customer Satisfaction Rating
• 30 Days Money Back Guarantee

[/vc_cta]

Customer:

I purchased both the UPS & Canada Post plugin for a client site, but I found the Canada Post plugin to deactivate all other plugins (except WooCommerce), and it’s still the same. The UPS plugin works fine, though.

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Support:

This type of error appears because of PHP post length issue.

We will request you to this issue

Kindly check the following link:

https://www.xadapter.com/2016/11/15/wordpresswoocommerce-dealing-php-post-length-issue/