Error message: Uncaught Error: Call to undefined function wc_empty_cart()

Hello,

I am running this Learning Management Site on Siteground web hosting. Today, I got this mail that my site is encountering a technical problem. The related information are as follows –
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WordPress version 6.0.2
Active theme: WPLMS Blank ChildTheme (version 1.0)
Current plugin: WooCommerce (version 6.7.0)
PHP version 7.4.30
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Error Details
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An error of type E_ERROR was caused in line 372 of the file /home/customer/www/learndrive.org/public_html/wp-content/plugins/woocommerce/includes/class-wc-session-handler.php. Error message: Uncaught Error: Call to undefined function wc_empty_cart() in /home/customer/www/learndrive.org/public_html/wp-content/plugins/woocommerce/includes/class-wc-session-handler.php:372
Stack trace:
#0 /home/customer/www/learndrive.org/public_html/wp-content/plugins/woocommerce/includes/class-wc-session-handler.php(363): WC_Session_Handler->forget_session()
#1 /home/customer/www/learndrive.org/public_html/wp-content/plugins/woocommerce/includes/class-wc-session-handler.php(99): WC_Session_Handler->destroy_session()
#2 /home/customer/www/learndrive.org/public_html/wp-content/plugins/woocommerce/includes/class-wc-session-handler.php(71): WC_Session_Handler->init_session_cookie()
#3 /home/customer/www/learndrive.org/public_html/wp-content/plugins/woocommerce/includes/class-woocommerce.php(861): WC_Session_Handler->init()
#4 /home/customer/www/learndrive.org/public_html/wp-content/plugins/woocommerce-payments/includes/class-wc-payments-fraud-service.php(131): WooCommerce->initialize_session()
#5 /home/customer/www/lea

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