Hi,
So, I tried to upgrade my existing v.1.5.4 environment to v.1.5.5f and following the "what's new" instructions and copied the new files up to my web host and even ran the "zc_install" to upgrade the database.
Everything looked OK on the storefront, but every time I try to do any shopping cart operations (add product to cart, checkout, etc.), I'm receiving AJAX errors:
An unknown response null: :text/html; charset=utf-8: :Bad Request was received while processing an ajax call. The action you requested could not be completed.
The items do get added to the cart and it appears that you can still checkout (haven't actually tested the entire PayPal integration, which was working fine previously), but I need to get rid of that error for potential customers.
Also, I can't even access the admin portal, even after removing the 'zc_install' folder from the web server, I'm receiving an HTTP 500 error every time.
What did I do wrong and how can I fix this (without rolling back my entire store to the previous version)? It look me hours to go through the list of files that have been updated since v.1.5.4 and to carefully upload only the changed files to my web server. I was using the Winchester template, prior to the upgrade.
My web host is using a Linux web server with PHP and mySQL installed.
I would be willing to grant an admin access to my store to help me fix it, I just really need some help....please!
Thanks.
Shannon
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