Fatal error: Uncaught Error

Hello,

I got below error when I set order as completed.

How Can I solve it?

Fatal error: Uncaught Error: method_exists(): Argument #1 ($object_or_class) must be of type object|string, bool given
in /home/rbhitvyeyy/domains/urokporcelany.pl/public_html/wp-content/plugins/email-customizer-for-woocommerce/views/templates/emails/email-order-items.php on line 175

Call stack:

method_exists()
wp-content/plugins/email-customizer-for-woocommerce/views/templates/emails/email-order-items.php:175
include()
wp-content/plugins/email-customizer-for-woocommerce/includes/MailBuilder/Shortcodes.php:2002
YayMail\MailBuilder\Shortcodes::ordetItemTables()
wp-content/plugins/email-customizer-for-woocommerce/views/templates/emails/email-order-details.php:163
include()
wp-content/plugins/email-customizer-for-woocommerce/includes/MailBuilder/Shortcodes.php:2278
YayMail\MailBuilder\Shortcodes::orderItems()
wp-content/plugins/email-customizer-for-woocommerce/includes/MailBuilder/Shortcodes.php:1694
YayMail\MailBuilder\Shortcodes::collectOrderData()
wp-content/plugins/email-customizer-for-woocommerce/includes/MailBuilder/Shortcodes.php:520
YayMail\MailBuilder\Shortcodes::shortCodesOrderDefined()
wp-content/plugins/email-customizer-for-woocommerce/views/templates/single-mail-template.php:142
include()
wp-content/plugins/woocommerce/includes/wc-core-functions.php:345
wc_get_template()
wp-content/plugins/woocommerce/includes/wc-core-functions.php:364
wc_get_template_html()
wp-content/plugins/woocommerce/includes/emails/class-wc-email-new-order.php:126
WC_Email_New_Order::get_content_html()
wp-content/plugins/woocommerce/includes/emails/class-wc-email.php:588
WC_Email::get_content()
wp-content/plugins/woocommerce/includes/emails/class-wc-email-new-order.php:111
WC_Email_New_Order::trigger()
wp-includes/class-wp-hook.php:324
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:565
do_action_ref_array()
wp-content/plugins/woocommerce/includes/class-wc-emails.php:172
WC_Emails::send_transactional_email()
wp-includes/class-wp-hook.php:324
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:517
do_action()
wp-content/plugins/woocommerce/includes/class-wc-order.php:420
WC_Order::status_transition()
wp-content/plugins/woocommerce/includes/class-wc-order.php:253
WC_Order::save()
wp-content/plugins/woocommerce/includes/admin/meta-boxes/class-wc-meta-box-order-data.php:768
WC_Meta_Box_Order_Data::save()
wp-includes/class-wp-hook.php:326
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:517
do_action()
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-meta-boxes.php:263
WC_Admin_Meta_Boxes::save_meta_boxes()
wp-includes/class-wp-hook.php:326
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:348
WP_Hook::do_action()
wp-includes/plugin.php:517
do_action()
wp-includes/post.php:4760
wp_insert_post()
wp-includes/post.php:4862
wp_update_post()
wp-admin/includes/post.php:453
edit_post()
wp-admin/post.php:227