Fatal error: Uncaught Error: Call to a member function get_order_key() on bool

[shankarGdev]

WooCommerce: Version 5.8.0
WordPress: Version 5.8.1

Getting following error after updating to latest version. The plugin got auto updated.

Fatal error: Uncaught Error: Call to a member function get_order_key() on bool
in /wp-content/plugins/woo-razorpay/woo-razorpay.php on line 523

Call stack:

WC_Razorpay::getRedirectUrl()
wp-content/plugins/woo-razorpay/woo-razorpay.php:591

WC_Razorpay::getDefaultCheckoutArguments()
wp-content/plugins/woo-razorpay/woo-razorpay.php:631

WC_Razorpay::getCheckoutArguments()
wp-content/plugins/woo-razorpay/woo-razorpay.php:571

WC_Razorpay::generate_razorpay_form()
wp-content/plugins/woo-razorpay/woo-razorpay.php:438

WC_Razorpay::receipt_page()
wp-includes/class-wp-hook.php:303

WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:327

WP_Hook::do_action()
wp-includes/plugin.php:470

do_action()
/wordpress/plugins/woocommerce/5.8.0/templates/checkout/order-receipt.php:44

include()
/wordpress/plugins/woocommerce/5.8.0/includes/wc-core-functions.php:345

wc_get_template()
/wordpress/plugins/woocommerce/5.8.0/includes/shortcodes/class-wc-shortcode-checkout.php:208

WC_Shortcode_Checkout::order_pay()
/wordpress/plugins/woocommerce/5.8.0/includes/shortcodes/class-wc-shortcode-checkout.php:59

WC_Shortcode_Checkout::output()
/wordpress/plugins/woocommerce/5.8.0/includes/class-wc-shortcodes.php:72

WC_Shortcodes::shortcode_wrapper()
/wordpress/plugins/woocommerce/5.8.0/includes/class-wc-shortcodes.php:95

WC_Shortcodes::checkout()
wp-includes/shortcodes.php:356

do_shortcode_tag()
preg_replace_callback()
wp-includes/shortcodes.php:228

do_shortcode()
wp-includes/class-wp-hook.php:303

WP_Hook::apply_filters()
wp-includes/plugin.php:189

apply_filters()
wp-includes/post-template.php:253

the_content()
wp-content/themes/kapee/template-parts/page/content.php:19

require()
wp-includes/template.php:772

load_template()
wp-includes/template.php:716

locate_template()
wp-includes/general-template.php:204

get_template_part()
wp-content/themes/kapee/inc/kp-template-functions.php:1390

kapee_template_page_content()
wp-includes/class-wp-hook.php:303

WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:327

WP_Hook::do_action()
wp-includes/plugin.php:470

do_action()
wp-content/themes/kapee/template-parts/page/layout-page.php:23

require()
wp-includes/template.php:772

load_template()
wp-includes/template.php:716

locate_template()
wp-includes/general-template.php:204

get_template_part()
wp-content/themes/kapee/page.php:33

include()
wp-includes/template-loader.php:106

require_once()
wp-blog-header.php:19

require()
index.php:17

[shankarGdev]

Error occurs when using https://wordpress.org/plugins/wt-woocommerce-sequential-order-numbers/ plugin. But with previous version it's working fine.