Button checkout missing in cart

Hello,
On my shop when I go to view cart I see the product I order but the button checkout is missing, how can I add it under the button updat cart ?

my site is https://www.nuala-art.nl/en

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### WordPress Environment ###

Home URL: http://www.nuala-art.nl
Site URL: http://www.nuala-art.nl
WC Version: 2.6.1
Log Directory Writable: ✔
WP Version: 4.5.2
WP Multisite: –
WP Memory Limit: 256 MB
WP Debug Mode: –
WP Cron: ✔
Language: nl_NL

### Server Environment ###

Server Info: Apache/2.4.16 (Unix) OpenSSL/1.0.1e-fips mod_bwlimited/1.4
PHP Version: ❌ 5.4.45 – We recommend a minimum PHP version of 5.6. See: Hoe je PHP-versie bijwerken
PHP Post Max Size: 8 MB
PHP Time Limit: 0
PHP Max Input Vars: 10000
cURL Version: 7.38.0
OpenSSL/1.0.1e

SUHOSIN Installed: ✔
MySQL Version: ❌ 5.5.50 – Wij adviseren een minimum PHP-versie 5.6. Bekijk: WordPress Benodigheden
Max Upload Size: 8 MB
Default Timezone is UTC: ✔
fsockopen/cURL: ✔
SoapClient: ❌ Je server beschikt niet over de SoapClient class – sommige gateway plugins die SOAP gebruiken werken mogelijk niet zoals verwacht.
DOMDocument: ✔
GZip: ✔
Multibyte String: ✔
Remote Post: ✔
Remote Get: ✔

### Database ###

WC Database Version: 2.6.1
:
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: ✔

### Active Plugins (28) ###

LayerSlider WP: door Kreatura Media – 5.5.1
BackupBuddy: door iThemes – 7.0.5.4
Contact Form 7: door Takayuki Miyoshi – 4.4.2
EWWW Image Optimizer: door Shane Bishop – 2.8.5
Fusion Core: door ThemeFusion – 2.0.3
iThemes Security Pro: door iThemes – 2.0.2
jQuery Vertical Accordion Menu: door Lee Chestnutt – 3.1.2
Rapid Ranker: door Rapid Ranker – 2.3.9
Revolution Slider: door ThemePunch – 4.6.93
SEO Category and Tag Descriptions for WooCommerce: door WP Musketeer | Moortor Design Ltd. – 1.1.0
WPML Multilingual CMS: door OnTheGoSystems – 3.4.0
WooCommerce Feedback Company: door – 1.0
WooCommerce Shipping Pro with Table Rate (BASIC): door WooForce – 1.1.7
WooCommerce Conversion Tracking: door Tareq Hasan – 1.2.1
WooCommerce Multilingual: door OnTheGoSystems – 3.8
WooCommerce MultiStep Checkout: door Mubashir Iqbal – 2.2.5
Woocommerce Pay.nl Payment Methods: door andypay – 2.4.6
WooCommerce PDF Invoices & Packing Slips: door Ewout Fernhout – 1.5.32
WooCommerce WooCart Pro: door Festi – 2.0.0
WooCommerce: door WooThemes – 2.6.1
WordPress HTTPS: door Mike Ems – 3.3.6
Yoast SEO: door Team Yoast – 3.3.1
WP-Mail-SMTP: door Callum Macdonald – 0.9.5
WP Menu Cart Pro: door Jeremiah Prummer
Ewout Fernhout – 2.5.7

WPML Media: door OnTheGoSystems – 2.1.21
WPML String Translation: door OnTheGoSystems – 2.3.8
WPML Translation Management: door OnTheGoSystems – 2.2.0
Yoast SEO: WooCommerce: door Team Yoast – 3.3

### Settings ###

Force SSL: –
Currency: EUR (€)
Currency Position: left
Thousand Separator: ,
Decimal Separator: .
Number of Decimals: 2

### API ###

API Enabled: ✔

### WC Pages ###

Winkelbasis: #8 – https://www.nuala-art.nl/en/shop/
winkelwagen: #9 – https://www.nuala-art.nl/en/cart/
Afrekenen: #10 – https://www.nuala-art.nl/en/checkout/
Mijn account: #11 – https://www.nuala-art.nl/en/my-account/

### Taxonomies ###

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

### Theme ###

Name: Avada Child
Version: – 0 is beschikbaar
Author URL:
Child Theme: ✔
Parent Theme Name: Avada
Parent Theme Version: 4.0.3
Parent Theme Author URL: http://themeforest.net/user/ThemeFusion
WooCommerce Support: ✔

### Templates ###

Overrides: Avada/woocommerce/cart/cart.php
Avada/woocommerce/checkout/form-pay.php
Avada/woocommerce/checkout/review-order.php
Avada/woocommerce/checkout/thankyou.php
Avada/woocommerce/loop/loop-start.php
Avada/woocommerce/single-product/add-to-cart/variable.php
Avada/woocommerce/single-product/add-to-cart/variation-add-to-cart-button.php
Avada/woocommerce/single-product/product-image.php
Avada/woocommerce/single-product/product-thumbnails.php
Avada/woocommerce/single-product/short-description.php
Avada/woocommerce/single-product/tabs/additional-information.php
Avada/woocommerce/single-product/tabs/description.php

`’

Thanks
Tsafi

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