Internal server error during checkout

Hi, can someone get back to me on this please? I’m tearing my hair out! Sorry for not including my system status report previously. Here it is:

### WordPress Environment ###

Home URL: https://sundragonpottery.co.uk
Site URL: https://sundragonpottery.co.uk
WC Version: 3.1.2
Log Directory Writable: ?
WP Version: 4.8.1
WP Multisite: –
WP Memory Limit: 256 MB
WP Debug Mode: –
WP Cron: ?
Language: en_GB

### Server Environment ###

Server Info: Apache
PHP Version: 5.6.22
PHP Post Max Size: 100 MB
PHP Time Limit: 0
PHP Max Input Vars: 1000
cURL Version: 7.41.0
OpenSSL/1.0.2a

SUHOSIN Installed: –
MySQL Version: 5.7.17
Max Upload Size: 100 MB
Default Timezone is UTC: ?
fsockopen/cURL: ?
SoapClient: ?
DOMDocument: ?
GZip: ?
Multibyte String: ?
Remote Post: ?
Remote Get: ?

### Database ###

WC Database Version: 3.1.2
WC Database Prefix: lxxv_
woocommerce_sessions: ?
woocommerce_api_keys: ?
woocommerce_attribute_taxonomies: ?
woocommerce_downloadable_product_permissions: ?
woocommerce_order_items: ?
woocommerce_order_itemmeta: ?
woocommerce_tax_rates: ?
woocommerce_tax_rate_locations: ?
woocommerce_shipping_zones: ?
woocommerce_shipping_zone_locations: ?
woocommerce_shipping_zone_methods: ?
woocommerce_payment_tokens: ?
woocommerce_payment_tokenmeta: ?
MaxMind GeoIP Database: ? The MaxMind GeoIP Database does not exist - Geolocation will not function. You can download and install it manually from https://dev.maxmind.com/geoip/legacy/geolite/ to the path: . Scroll down to "Downloads" and download the "Binary / gzip" file next to "GeoLite Country". Please remember to uncompress GeoIP.dat.gz and upload the GeoIP.dat file only.

### Security ###

Secure connection (HTTPS): ?
Hide errors from visitors: ?

### Active Plugins (23) ###

LayerSlider WP: by Kreatura Media – 6.5.7
AccessPress Instagram Feed: by AccessPress Themes – 2.2.8
All-in-One WP Migration: by ServMask – 6.55
Better Search Replace: by Delicious Brains – 1.3
Blogger Importer: by wordpressdotorg – 0.9
Duplicate Post: by Enrico Battocchi – 3.2
Envato WordPress Toolkit: by Envato – 1.7.3
Featured Video Plus: by Alexander H?reth – 2.3.3
WPBakery Visual Composer: by Michael M - WPBakery.com – 5.2.1
Qode Instagram Widget: by Qode Themes – 1.2
Qode Quick Links: by Qode Themes – 1.0
Qode Twitter Feed: by Qode Themes – 1.1
Slider Revolution: by ThemePunch – 5.4.5.1
Timetable Responsive Schedule For WordPress: by QuanticaLabs – 3.8
WooCommerce Catalog Enquiry: by WC Marketplace
The Grey Parrots – 3.1.2

WooCommerce Stripe Gateway: by WooCommerce – 3.2.3
WOOF - WooCommerce Products Filter: by realmag777 – 1.1.7
WooCommerce: by Automattic – 3.1.2
WooSidebars: by WooThemes – 1.4.3
Wordfence Security: by Wordfence – 6.3.17
Yoast SEO: by Team Yoast – 5.3.3
WPForms Lite: by WPForms – 1.4.0.1
YITH Event Tickets for WooCommerce: by YITHEMES – 1.1.3

### Settings ###

API Enabled: ?
Force SSL: ?
Currency: GBP (￡)
Currency Position: left
Thousand Separator: ,
Decimal Separator: .
Number of Decimals: 2
Taxonomies: Product Types: external (external)
grouped (grouped)
simple (simple)
ticket-event (ticket-event)
variable (variable)

Taxonomies: Product Visibility: exclude-from-catalog (exclude-from-catalog)
exclude-from-search (exclude-from-search)
featured (featured)
outofstock (outofstock)
rated-1 (rated-1)
rated-2 (rated-2)
rated-3 (rated-3)
rated-4 (rated-4)
rated-5 (rated-5)

### WC Pages ###

Shop base: #376 - /pottery-courses/
Basket: #413 - /basket/
Checkout: #414 - /checkout/
My account: #415 - /my-account/

### Theme ###

Name: Sundragon
Version: 1.0.0
Author URL: https://www.growbeyond.co.uk/
Child Theme: ?
Parent Theme Name: Bridge
Parent Theme Version: 11.2
Parent Theme Author URL: https://www.qodethemes.com/
WooCommerce Support: ?

### Templates ###

Archive Template: Your theme has a woocommerce.php file. You will not be able to override the woocommerce/archive-product.php custom template since woocommerce.php has priority over archive-product.php. This is intended to prevent display issues.
Overrides: bridge/woocommerce/cart/cart-empty.php
bridge/woocommerce/cart/cart-shipping.php
bridge/woocommerce/cart/cart-totals.php
bridge/woocommerce/cart/cart.php
bridge/woocommerce/cart/shipping-calculator.php
bridge/woocommerce/checkout/form-coupon.php
bridge/woocommerce/checkout/thankyou.php
bridge/woocommerce/content-product.php
bridge/woocommerce/content-single-product.php
sundragon/woocommerce/emails/customer-completed-order.php
bridge/woocommerce/global/form-login.php
bridge/woocommerce/global/quantity-input.php
bridge/woocommerce/loop/add-to-cart.php
bridge/woocommerce/loop/loop-start.php
bridge/woocommerce/loop/pagination.php
bridge/woocommerce/loop/rating.php
bridge/woocommerce/loop/result-count.php
bridge/woocommerce/loop/sale-flash.php
bridge/woocommerce/myaccount/form-login.php
bridge/woocommerce/myaccount/form-lost-password.php
bridge/woocommerce/myaccount/my-address.php
bridge/woocommerce/myaccount/my-orders.php
bridge/woocommerce/single-product/add-to-cart/external.php
bridge/woocommerce/single-product/add-to-cart/grouped.php
bridge/woocommerce/single-product/add-to-cart/simple.php
bridge/woocommerce/single-product/add-to-cart/variable.php
bridge/woocommerce/single-product/related.php
bridge/woocommerce/single-product/sale-flash.php
bridge/woocommerce/single-product/tabs/additional-information.php
bridge/woocommerce/single-product/tabs/description.php
bridge/woocommerce/single-product/tabs/tabs.php
bridge/woocommerce/single-product/up-sells.php

• This reply was modified 7 years, 6 months ago by riaface.

Never mind, I’ve fixed it. For anyone else who finds this: I deactivated all plugins, then activated them again one by one. The error didn’t repeat.