Editing pages and posts broken after update to 3.0

Hi,

I hope you can help me! After updating to woocommerce 3.0 I can no longer edit posts and pages.

Best regards,
Oliver

This is the error message:

Fatal error: Uncaught exception ‘Exception’ with message ‘Invalid order.’ in /var/www/deltaopticalthinfilm.com/public_html/wp-content/plugins/woocommerce/includes/data-stores/abstract-wc-order-data-store-cpt.php:86 Stack trace: #0 /var/www/deltaopticalthinfilm.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-data-store.php(143): Abstract_WC_Order_Data_Store_CPT->read(Object(WC_QuickPay_Order)) #1 /var/www/deltaopticalthinfilm.com/public_html/wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-order.php(109): WC_Data_Store->read(Object(WC_QuickPay_Order)) #2 /var/www/deltaopticalthinfilm.com/public_html/wp-content/plugins/woocommerce-quickpay/woocommerce-quickpay.php(1095): WC_Abstract_Order->__construct(’84’) #3 [internal function]: WC_QuickPay->add_meta_boxes(‘page’) #4 /var/www/deltaopticalthinfilm.com/public_html/wp-includes/class-wp-hook.php(300): call_user_func_array(Array, Array) #5 /var/www/deltaopticalthinfilm.com/public_html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(”, in /var/www/deltaopticalthinfilm.com/public_html/wp-content/plugins/woocommerce/includes/data-stores/abstract-wc-order-data-store-cpt.php on line 86

Here is the system report:

`
### WordPress Environment ###

Home URL: https://www.deltaopticalthinfilm.com
Site URL: https://www.deltaopticalthinfilm.com
WC Version: 3.0.0
Log Directory Writable: ?
WP Version: 4.7.3
WP Multisite: –
WP Memory Limit: 1 GB
WP Debug Mode: –
WP Cron: ?
Language: en_GB

### Server Environment ###

Server Info: Apache
PHP Version: 5.6.30
PHP Post Max Size: 256 MB
PHP Time Limit: 600
PHP Max Input Vars: 5000
cURL Version: 7.19.7
NSS/3.21 Basic ECC

SUHOSIN Installed: –
MySQL Version: 5.7.17
Max Upload Size: 256 MB
Default Timezone is UTC: ?
fsockopen/cURL: ?
SoapClient: ?
DOMDocument: ?
GZip: ?
Multibyte String: ?
Remote Post: ?
Remote Get: ?

### Database ###

WC Database Version: 3.0.0
WC Database Prefix: www_
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: ?

### Security ###

Secure connection (HTTPS): ?Your store is not using HTTPS. Learn more about HTTPS and SSL Certificates.
Hide errors from visitors: ?

### Active Plugins (38) ###

Adminimize: by Frank Bültge – 1.11.2
All in one Favicon: by Arne Franken – 4.5
Anti-spam: by webvitaly – 4.3
Antispam Bee: by pluginkollektiv – 2.7.0
Async JavaScript: by Clough I.T. Solutions – 1.17.02.06
Black Studio TinyMCE Widget: by Black Studio – 2.3.1
Bring Back the Get Shortlink Button: by Thorsten Frommen – 1.1.0
Broken Link Checker: by Janis Elsts
Vladimir Prelovac – 1.11.2

Cookie Law Info: by Richard Ashby – 1.5.3
Duplicate Post: by Enrico Battocchi – 3.1.2
Easy Theme and Plugin Upgrades: by Chris Jean – 2.0.0
Enhanced Media Library: by wpUXsolutions – 2.4.4
Formidable Forms: by Strategy11 – 2.03.04
Google Analytics for WordPress by MonsterInsights: by MonsterInsights – 6.1.6
Maps Builder: by WordImpress – 2.1.1
Meta Slider: by Matcha Labs – 3.5
Page Builder by SiteOrigin: by SiteOrigin – 2.4.25
SiteOrigin CSS: by SiteOrigin – 1.1.3
SiteOrigin Widgets Bundle: by SiteOrigin – 1.8.2
Tabby Responsive Tabs: by cubecolour – 1.2.3
W3 Total Cache: by Frederick Townes – 0.9.5.2
Aelia Foundation Classes for WooCommerce: by Aelia – 1.8.4.170307
Woocommerce Exclude Categories PRO: by Alvaro Neto – 2.0
Woocommerce Advanced Bulk Edit: by George Iron – 4.1.1
Woocommerce CSV import attributes: by Allaerd Mensonides – 3.0.1
Woocommerce CSV Import: by Allaerd Mensonides – 3.3.5
WooCommerce EU VAT Assistant: by Aelia (Diego Zanella) – 1.7.3.170324
WooCommerce – Store Exporter: by Visser Labs – 1.8.8
WooCommerce QuickPay: by Perfect Solution – 4.7.0
WooCommerce: by Automattic – 3.0.0
WooSidebars: by WooThemes – 1.4.3
Wordfence Security: by Wordfence – 6.3.5
WordPress Importer: by wordpressdotorg – 0.6.3
Yoast SEO: by Team Yoast – 4.5
WP-DBManager: by Lester ‘GaMerZ’ Chan – 2.79
WP-Mail-SMTP: by Callum Macdonald – 0.10.1
WP Social Sharing: by Arjun Jain – 1.9
YouTube: by EmbedPlus Team – 11.7

### Settings ###

API Enabled: ?
Force SSL: –
Currency: EUR (€)
Currency Position: left_space
Thousand Separator: ,
Decimal Separator: .
Number of Decimals: 2
Taxonomies: Product Types: external (external)
grouped (grouped)
simple (simple)
variable (variable)

### WC Pages ###

Shop base: #2524 – /shop/
Basket: #2525 – /cart/
Checkout: #2526 – /checkout/
My account: #2527 – /my-account/

### Theme ###

Name: My Vantage Child Theme
Version: 1.0
Author URL:
Child Theme: ?
Parent Theme Name: Vantage Premium
Parent Theme Version: 2.5.4
Parent Theme Author URL: https://siteorigin.com/
WooCommerce Support: ?

### Templates ###

Overrides: vantage-child/woocommerce/emails/admin-cancelled-order.php
vantage-child/woocommerce/emails/admin-new-order.php
vantage-child/woocommerce/emails/customer-completed-order.php
vantage-child/woocommerce/emails/customer-invoice.php
vantage-child/woocommerce/emails/customer-note.php
vantage-child/woocommerce/emails/customer-processing-order.php
vantage-child/woocommerce/emails/customer-refunded-order.php
vantage-child/woocommerce/emails/email-order-details.php
vantage-child/woocommerce/emails/email-order-items.php