kuchic

Dear Xue28,
Thank you for the help!
I have switched to the default Storefront theme and only WooCommerce plugin is enabled, but the site is still in same, the problem can not be solved.
such as this page: https://kuchic.com/product/funny-basswood-cat-back-scratcher-back-massager-body-itching-stick-therapeutic-self-massager-wood-light-durable-dropshipping/

Error as flws:
Fatal error: Uncaught Error: Call to a member function is_on_sale() on string in /home/customer/www/kuchic.com/public_html/wp-content/plugins/woocommerce/templates/single-product/sale-flash.php:25 Stack trace: #0 /home/customer/www/kuchic.com/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include() #1 /home/customer/www/kuchic.com/public_html/wp-content/plugins/woocommerce/includes/wc-template-functions.php(1677): wc_get_template('single-product/...') #2 /home/customer/www/kuchic.com/public_html/wp-includes/class-wp-hook.php(308): woocommerce_show_product_sale_flash('') #3 /home/customer/www/kuchic.com/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array) #4 /home/customer/www/kuchic.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/customer/www/kuchic.com/public_html/wp-content/plugins/woocommerce/templates/content-single-product.php(43): do_action('woocommerce_bef...') #6 /home/customer/www/kuchic.com/public_html/wp-includes/templ in /home/customer/www/kuchic.com/public_html/wp-content/plugins/woocommerce/templates/single-product/sale-flash.php on line 25

The WooCommerce > Status Report as following:

### WordPress Environment ###

WordPress address (URL): https://kuchic.com
Site address (URL): https://kuchic.com
WC Version: 7.3.0
REST API Version: ✔ 7.3.0
WC Blocks Version: ✔ 9.1.5
Action Scheduler Version: ✔ 3.4.0
Log Directory Writable: ✔
WP Version: 6.1.1
WP Multisite: –
WP Memory Limit: 768 MB
WP Debug Mode: –
WP Cron: ✔
Language: en_US
External object cache: –

### Server Environment ###

Server Info: Apache
PHP Version: 7.4.33
PHP Post Max Size: 256 MB
PHP Time Limit: 120
PHP Max Input Vars: 3000
cURL Version: 7.66.0
OpenSSL/1.1.1q-fips

SUHOSIN Installed: –
MySQL Version: 5.7.39-42-log
Max Upload Size: 256 MB
Default Timezone is UTC: ✔
fsockopen/cURL: ✔
SoapClient: ✔
DOMDocument: ✔
GZip: ✔
Multibyte String: ✔
Remote Post: ✔
Remote Get: ✔

### Database ###

WC Database Version: 7.3.0
WC Database Prefix: wp_
Total Database Size: 67.99MB
Database Data Size: 39.60MB
Database Index Size: 28.39MB
wp_woocommerce_sessions: Data: 0.01MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_api_keys: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_attribute_taxonomies: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_downloadable_product_permissions: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_order_items: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_order_itemmeta: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_tax_rates: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_tax_rate_locations: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_shipping_zones: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_shipping_zone_locations: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_shipping_zone_methods: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_payment_tokens: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_payment_tokenmeta: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_woocommerce_log: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_actionscheduler_actions: Data: 1.06MB + Index: 0.45MB + Engine MyISAM
wp_actionscheduler_claims: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_actionscheduler_groups: Data: 0.00MB + Index: 0.01MB + Engine MyISAM
wp_actionscheduler_logs: Data: 0.70MB + Index: 0.51MB + Engine MyISAM
wp_commentmeta: Data: 0.10MB + Index: 0.09MB + Engine MyISAM
wp_comments: Data: 0.13MB + Index: 0.05MB + Engine MyISAM
wp_e_events: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_e_submissions: Data: 0.02MB + Index: 0.27MB + Engine InnoDB
wp_e_submissions_actions_log: Data: 0.02MB + Index: 0.11MB + Engine InnoDB
wp_e_submissions_values: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_glsr_assigned_posts: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_glsr_assigned_terms: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_glsr_assigned_users: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_glsr_ratings: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_layerslider: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_layerslider_revisions: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_lead_form: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_lead_form_data: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_lead_form_extension: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_lead_form_options: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_links: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_mphb_api_keys: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_mphb_customers: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_mphb_customers_meta: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_mphb_sync_logs: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_mphb_sync_queue: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_mphb_sync_stats: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_mphb_sync_urls: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_nextend2_image_storage: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_nextend2_section_storage: Data: 0.02MB + Index: 0.06MB + Engine InnoDB
wp_nextend2_smartslider3_generators: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_nextend2_smartslider3_sliders: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_nextend2_smartslider3_sliders_xref: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_nextend2_smartslider3_slides: Data: 0.05MB + Index: 0.11MB + Engine InnoDB
wp_options: Data: 8.31MB + Index: 0.18MB + Engine MyISAM
wp_postmeta: Data: 6.45MB + Index: 0.88MB + Engine MyISAM
wp_posts: Data: 5.65MB + Index: 3.06MB + Engine MyISAM
wp_revslider_css: Data: 0.09MB + Index: 0.01MB + Engine MyISAM
wp_revslider_css_bkp: Data: 0.01MB + Index: 0.00MB + Engine MyISAM
wp_revslider_layer_animations: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_revslider_layer_animations_bkp: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_revslider_navigations: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_revslider_navigations_bkp: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_revslider_sliders: Data: 0.30MB + Index: 0.00MB + Engine MyISAM
wp_revslider_sliders_bkp: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_revslider_slides: Data: 2.84MB + Index: 0.01MB + Engine MyISAM
wp_revslider_slides_bkp: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_revslider_static_slides: Data: 0.02MB + Index: 0.00MB + Engine MyISAM
wp_revslider_static_slides_bkp: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_sfba_subscribers_lists: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_sfba_subscription_lists: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_sgs_log_events: Data: 1.02MB + Index: 0.00MB + Engine InnoDB
wp_sgs_log_visitors: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_spbcta: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_statistics_exclusions: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_statistics_historical: Data: 0.02MB + Index: 0.05MB + Engine InnoDB
wp_statistics_pages: Data: 0.48MB + Index: 1.08MB + Engine InnoDB
wp_statistics_search: Data: 0.22MB + Index: 0.27MB + Engine InnoDB
wp_statistics_useronline: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_statistics_visit: Data: 0.06MB + Index: 0.02MB + Engine InnoDB
wp_statistics_visitor: Data: 10.52MB + Index: 20.13MB + Engine InnoDB
wp_statistics_visitor_relationships: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_strong_views: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_termmeta: Data: 0.12MB + Index: 0.07MB + Engine MyISAM
wp_terms: Data: 0.02MB + Index: 0.05MB + Engine MyISAM
wp_term_relationships: Data: 0.01MB + Index: 0.03MB + Engine MyISAM
wp_term_taxonomy: Data: 0.02MB + Index: 0.03MB + Engine MyISAM
wp_th_popup: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_usermeta: Data: 0.12MB + Index: 0.02MB + Engine MyISAM
wp_users: Data: 0.00MB + Index: 0.01MB + Engine MyISAM
wp_vi_wad_ali_orders_info: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_vi_wad_error_product_images: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_vi_wbe_history: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_wc_admin_notes: Data: 0.04MB + Index: 0.00MB + Engine MyISAM
wp_wc_admin_note_actions: Data: 0.02MB + Index: 0.01MB + Engine MyISAM
wp_wc_category_lookup: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_customer_lookup: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_download_log: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_order_coupon_lookup: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_order_product_lookup: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_order_stats: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_order_tax_lookup: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_product_attributes_lookup: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_wc_product_download_directories: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_wc_product_meta_lookup: Data: 0.06MB + Index: 0.05MB + Engine MyISAM
wp_wc_rate_limits: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_wc_reserved_stock: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wc_tax_rate_classes: Data: 0.00MB + Index: 0.01MB + Engine MyISAM
wp_wc_webhooks: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wdr_order_discounts: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_wdr_order_item_discounts: Data: 0.02MB + Index: 0.05MB + Engine InnoDB
wp_wdr_rules: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_woodmart_wishlists: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_woodmart_wishlist_products: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_wpfm_backup: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_wpforms_tasks_meta: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_wppb: Data: 0.02MB + Index: 0.00MB + Engine InnoDB
wp_yith_wcwl: Data: 0.00MB + Index: 0.00MB + Engine MyISAM
wp_yith_wcwl_lists: Data: 0.00MB + Index: 0.01MB + Engine MyISAM
wp_yoast_indexable: Data: 0.11MB + Index: 0.09MB + Engine InnoDB
wp_yoast_indexable_hierarchy: Data: 0.02MB + Index: 0.05MB + Engine InnoDB
wp_yoast_migrations: Data: 0.02MB + Index: 0.02MB + Engine InnoDB
wp_yoast_primary_term: Data: 0.02MB + Index: 0.03MB + Engine InnoDB
wp_yoast_prominent_words: Data: 0.02MB + Index: 0.05MB + Engine InnoDB
wp_yoast_seo_links: Data: 0.08MB + Index: 0.03MB + Engine InnoDB

### Post Type Counts ###

attachment: 904
cms_block: 4
customize_changeset: 5
custom_css: 3
dt_gallery: 2
dt_slideshow: 1
dt_team: 7
dt_testimonials: 18
elementor_library: 1
nav_menu_item: 144
page: 59
post: 14
product: 48
product_variation: 97
revision: 302
sfba_subscribe_form: 1
shop_coupon: 1
static_block: 25
testimonial: 3
viwec_template: 14
vi_wad_draft_product: 1
woodmart_layout: 7
woodmart_sidebar: 1
woodmart_slide: 3
woodmart_woo_fbt: 1
woodmart_woo_lv: 2
wpcf7_contact_form: 2
wpforms: 10
wp_block: 1
wp_global_styles: 4

### Security ###

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

### Active Plugins (1) ###

WooCommerce: by Automattic – 7.3.0

### Inactive Plugins (28) ###

Accept Stripe Payments: by Tips and Tricks HQ
wptipsntricks – 2.0.73

Advanced Import: by AddonsPress – 1.3.9
All-in-One WP Migration: by ServMask – 7.70
Breadcrumb NavXT: by John Havlik – 7.1.0
Contact Form 7: by Takayuki Miyoshi – 5.7.3
Coupon & Discount Code Reveal Button: by SuPlugins – 1.2.5
Fast Velocity Minify: by Raul Peixoto – 3.3.9
Go Pricing - WordPress Responsive Pricing Tables: by Granth – 3.3.19
GTranslate: by Translate AI Multilingual Solutions – 2.9.14
Importify: by Importify – 1.0.3
Maintenance: by WebFactory Ltd – 4.07
MC4WP: Mailchimp for WordPress: by ibericode – 4.9.0
One Click Demo Import: by OCDI – 3.1.2
PixelYourSite: by PixelYourSite – 9.3.2
RCD-Right Click Disabler for WordPress: by Param Sheoran – 1.0
Recent Tweets Widget: by Noah Kagan – 1.6.8
Regenerate Thumbnails: by Alex Mills (Viper007Bond) – 3.1.5
Safe SVG: by 10up – 2.0.3
SiteGround Migrator: by SiteGround – 2.0.6
SiteGround Optimizer: by SiteGround – 7.2.9
SiteGround Security: by SiteGround – 1.3.9
Slider Revolution: by ThemePunch – 6.6.8
Subscribe Forms: by Premio – 1.5.8
Woo Discount Rules: by Flycart – 2.5.3
WPBakery Page Builder: by Michael M - WPBakery.com – 6.10.0
WP Statistics: by VeronaLabs – 13.2.15
Yoast SEO: by Team Yoast – 20.0
Yoast SEO Premium: by Team Yoast – 19.6

### 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)

Connected to WooCommerce.com: –
Enforce Approved Product Download Directories: –
Order datastore: WC_Order_Data_Store_CPT

### WC Pages ###

Shop base: #38506 - /
Cart: #7 - /allproducts/cart/
Checkout: #8 - /allproducts/checkout/
My account: ❌ Page does not contain the [woocommerce_my_account] shortcode.
Terms and conditions: #1211 - /terms-and-conditons/

### Theme ###

Name: Twenty Seventeen
Version: 3.1
Author URL: https://ww.wp.xz.cn/
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: –

### Admin ###

Enabled Features: activity-panels
analytics
coupons
customer-effort-score-tracks
experimental-products-task
experimental-import-products-task
experimental-fashion-sample-products
shipping-smart-defaults
shipping-setting-tour
homescreen
marketing
multichannel-marketing
mobile-app-banner
navigation
onboarding
onboarding-tasks
remote-inbox-notifications
remote-free-extensions
payment-gateway-suggestions
shipping-label-banner
subscriptions
store-alerts
transient-notices
woo-mobile-welcome
wc-pay-promotion
wc-pay-welcome-page

Disabled Features: minified-js
new-product-management-experience
settings

Daily Cron: ✔ Next scheduled: 2023-01-29 05:17:17 +00:00
Options: ✔
Notes: 86
Onboarding: completed

### Action Scheduler ###

Complete: 2,044
Oldest: 2022-12-29 01:26:50 +0000
Newest: 2023-01-28 08:33:07 +0000

Failed: 6
Oldest: 2020-11-17 23:48:23 +0000
Newest: 2022-06-26 14:59:06 +0000

Pending: 1
Oldest: 2023-01-29 08:33:07 +0000
Newest: 2023-01-29 08:33:07 +0000

### Status report information ###

Generated at: 2023-01-29 01:26:03 +00:00

Logs as flws:
12-29-2022 @ 08:37:43 – Unable to detect valid feed configuration: No catalog ID

Thank you very much for the help！
hope to get your support!

Best regards