Add to Cart Functionality Gone after update

I delayed updating WooCommerce because I figured this would happen (again). After updating my version of WooCOmmerce, adding to the cart does not work on products with variations.

http://www.intellexual-design.com

### WordPress Environment ###

Home URL: http://intellexual-design.com
Site URL: http://intellexual-design.com
WC Version: 2.5.2
Log Directory Writable: ✔ /home/intellex/public_html/wp-content/uploads/wc-logs/
WP Version: 4.4.2
WP Multisite: –
WP Memory Limit: 256 MB
WP Debug Mode: –
Language: en_US

### Server Environment ###

Server Info: Apache
PHP Version: 5.6.18
PHP Post Max Size: 128 MB
PHP Time Limit: 120
PHP Max Input Vars: 3000
SUHOSIN Installed: –
MySQL Version: 5.6.28
Max Upload Size: 128 MB
Default Timezone is UTC: ✔
fsockopen/cURL: ✔
SoapClient: ✔
DOMDocument: ✔
GZip: ✔
Multibyte String: ✔
Remote Post: ✔
Remote Get: ✔

### Database ###

WC Database Version: 2.5.2
:
woocommerce_sessions: ✔
woocommerce_api_keys: ✔
woocommerce_attribute_taxonomies: ✔
woocommerce_termmeta: ✔
woocommerce_downloadable_product_permissions: ✔
woocommerce_order_items: ✔
woocommerce_order_itemmeta: ✔
woocommerce_tax_rates: ✔
woocommerce_tax_rate_locations: ✔

### Active Plugins (33) ###

Akismet: by Automattic – 3.1.6
Chatra live chat software: by Chatra – 1.0.2
Enhanced E-commerce for Woocommerce store: by Tatvic – 1.0.17
Official StatCounter Plugin: by Aodhan Cullen – 2.0.1
Remove Woothemes Updater Plugin Notice: by Steve Johnson – 1.0
Strong Testimonials: by Chris Dillon – 2.2.9
Virtue / Pinnacle ToolKit: by Kadence Themes – 3.2
Welcome to WordPress: by Starfield Technologies – 1.0
Woocommerce Advanced Free Shipping: by Jeroen Sormani – 1.0.8
WooCommerce Anti Fraud: by WooThemes – 1.0.3
WooCommerce Cart Reports: by WPBackOffice – 1.1.8
WooCommerce Checkout Add-Ons: by WooThemes / SkyVerge – 1.7.0
WooCommerce Currency Converter: by WooThemes – 1.6.2
WooCommerce Custom Price: by Azh Setiawan – 0.2.2
WooCommerce Extra Fee Option: by Terry Tsang – 1.0.7
Follow-Up Emails: by 75nineteen Media LLC – 4.4.9 – 4.4.11 is available
WooCommerce Stripe Gateway: by Mike Jolley – 2.6.8 – 2.6.9 is available
WooCommerce jQuery Cookie Fix: by Splashing Pixels (Roy Ho) – 1.0
WooCommerce Name Your Price: by Kathy Darling – 2.3.3
WooCommerce Order Status Manager: by WooThemes / SkyVerge – 1.4.1
WooCommerce Payment Methods: by vendocrat – 1.1.2
WooCommerce Points and Rewards: by WooThemes – 1.5.9
WooCommerce Product Add-ons: by WooThemes – 2.7.15
WooCommerce Shipment Tracking: by WooThemes – 1.4.3
WooCommerce Shipping Per Product v2: by WooThemes – 2.2.6
WooCommerce USPS Shipping: by WooThemes – 4.2.16 – 4.3.2 is available
WooCommerce ShippingEasy Integration: by WooThemes – 3.1.3
WooCommerce Smart Coupons: by WooThemes – 3.0.10
WooCommerce Subscribe to Newsletter: by WooThemes – 2.3.1
WooCommerce Waitlist: by Neil Pie – 1.4.6 – 1.4.7 is available
WooCommerce WishLists: by Lucas Stark – 1.9.6
WooCommerce: by WooThemes – 2.5.2
WP User Avatar: by flippercode – 2.0.6

### Settings ###

Force SSL: ✔
Currency: USD ($)
Currency Position: left_space
Thousand Separator: ,
Decimal Separator: .
Number of Decimals: 2

### API ###

API Enabled: ✔
API Version: 3.1.0

### WC Pages ###

Shop Base: #4 – /shop/
Cart: #5 – /cart/
Checkout: #6 – /checkout/
My Account: #7 – /my-account/

### Taxonomies ###

Product Types: external (external)
grouped (grouped)
simple (simple)
variable (variable)

### Theme ###

Name: Twenty Fourteen
Version: 1.6
Author URL: https://ww.wp.xz.cn/
Child Theme: ✕ – If you’re modifying WooCommerce on a parent theme you didn’t build personally
then we recommend using a child theme. See: How to create a child theme

WooCommerce Support: ✔

### Templates ###

Overrides: –

https://ww.wp.xz.cn/plugins/woocommerce/