Your site is experiencing technical issues

Hi All,

I am getting the following error on my website. Can anyone please help me.

When seeking help with this issue, you may be asked for some of the following information:
WordPress version 6.0.2
Active theme: Shoptimizer (version 2.5.2)
Current plugin: WooCommerce (version 6.9.4)
PHP version 7.4.30

Error Details
=============
An error of type E_ERROR was caused in line 1273 of the file /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-content/plugins/woocommerce/includes/class-wc-checkout.php. Error message: Uncaught Error: Call to a member function meta_exists() on null in /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-content/plugins/woocommerce/includes/class-wc-checkout.php:1273
Stack trace:
#0 /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-content/plugins/woocommerce/includes/class-wc-checkout.php(209): WC_Checkout->get_value()
#1 /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-content/plugins/addify-checkout-fields-manager/admin/settings/title.php(24): WC_Checkout->get_checkout_fields()
#2 /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-content/plugins/addify-checkout-fields-manager/admin/class-af-ch-f-admin.php(858): include_once(‘/home/791695.cl…’)
#3 /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-includes/class-wp-hook.php(307): AF_CH_F_Admin->af_ch_f_options()
#4 /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#5 /home/791695.cloudwaysapps.com/zrahhqqqse/public_html/wp-includes/plugin.php