Issue with Products

Hello,
Can you help me, please
Every time I select a category only the products with no price are shown Also When I select Shop page nothing show and I get this message “Showing the single result”.

WC Version: 3.1.2
Log Directory Writable: ✔
WP Version: 4.8.2
WP Multisite: –
WP Memory Limit: 256 MB
WP Debug Mode: –
WP Cron: ✔
Language: en_US

### Server Environment ###

Server Info: Apache
PHP Version: 5.6.31
PHP Post Max Size: 256 MB
PHP Time Limit: 300
PHP Max Input Vars: 10000
cURL Version: 7.55.1
OpenSSL/1.0.2k

SUHOSIN Installed: –
MySQL Version: ❌ 5.5.57 – We recommend a minimum MySQL version of 5.6. See: WordPress requirements
Max Upload Size: 256 MB
Default Timezone is UTC: ✔
fsockopen/cURL: ✔
SoapClient: ✔
DOMDocument: ✔
GZip: ✔
Multibyte String: ✔
Remote Post: ✔
Remote Get: ✔

### Database ###

WC Database Version: 3.1.2
WC Database Prefix: wp_
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): ✔
Hide errors from visitors: ✔

### Active Plugins (19) ###

Polylang: by Frédéric Demarle – 2.2.3
AJAX Search for WooCommerce: by Damian Góra – 1.1.6
Currency Switcher for WooCommerce: by Algoritmika Ltd – 2.5.2
WC Marketplace: by WC Marketplace
The Grey Parrots – 2.7.6

DHL (BASIC) WooCommerce Extension: by XAdapter – 1.1.17
File Renaming on upload: by Pablo S G Pacheco – 2.1.9
GS WooCommerce Products Slider Lite: by Golam Samdani – 1.2
Loco Translate: by Tim Whitlock – 2.0.15
Product Carousel for WooCommerce: by WPExpand – 1.1.1
Resize Image After Upload: by ShortPixel – 1.8.1
Smart Slider 3: by Nextend – 3.2.8
WooCommerce Variation Swatches: by ThemeAlien – 1.0.3
Woo Category Slider By PluginEver: by PluginEver – 2.0.3
WooCommerce Product Gift Wrap: by Mike Jolley – 1.1.0
WooCommerce: by Automattic – 3.1.2
WP Rollback: by WordImpress – 1.5
WPB WooCommerce Product slider: by wpbean – 2.0.6.1
YITH WooCommerce Ajax Product Filter: by YITHEMES – 3.4.4
YITH WooCommerce Compare: by YITHEMES – 2.2.1

### Settings ###

API Enabled: ✔
Force SSL: –
Currency: USD ($)
Currency Position: left_space
Thousand Separator: ,
Decimal Separator: .
Number of Decimals: 2
Taxonomies: Product Types: external (external)
grouped (grouped)
simple (simple)
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: #2164 – /en/shop/
Cart: #131 – /en/cart/
Checkout: #133 – /en/check-out/
My account: #128 – /en/log-in/

### Theme ###

Name: Sahifa
Version: 5.6.5
Author URL: http://tielabs.com/
Child Theme: ❌ – If you are modifying WooCommerce on a parent theme that you did not build personally we recommend using a child theme. See: How to create a child theme
WooCommerce Support: ✔

### Templates ###

Overrides: sahifa/woocommerce/global/wrapper-end.php
sahifa/woocommerce/global/wrapper-start.php

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