PHP 8.x support

We are unable to activate the plugin on a client’s website running WordPress 6.4.1 and server PHP version 8.1.18. Getting these errors:

Please advise.

11/21/2023 2:54:00 AM[21-Nov-2023 08:54:00] WARNING: [pool susreb1a3c] child 72481 said into stderr: "NOTICE: PHP message: PHP Fatal error:  Uncaught TypeError: unserialize(): Argument #1 ($data) must be of type string, array given in 

/wordpress/wp-content/plugins/product-feed-manager-for-woocommerce/admin/class-tvc-admin-helper.php:389"
11/21/2023 2:54:00 AM[21-Nov-2023 08:54:00] WARNING: [pool susreb1a3c] child 72481 said into stderr: "Stack trace:"

11/21/2023 2:54:00 AM[21-Nov-2023 08:54:00] WARNING: [pool susreb1a3c] child 72481 said into stderr: "#0 /wordpress/wp-content/plugins/product-feed-manager-for-woocommerce/admin/class-tvc-admin-helper.php(389): unserialize(Array)"

11/21/2023 2:54:00 AM[21-Nov-2023 08:54:00] WARNING: [pool susreb1a3c] child 72481 said into stderr: "#1 /wordpress/wp-content/plugins/product-feed-manager-for-woocommerce/admin/class-tvc-admin-helper.php(408): TVC_Admin_Helper->get_ee_options_settings()"

11/21/2023 2:54:00 AM[21-Nov-2023 08:54:00] WARNING: [pool susreb1a3c] child 72481 said into stderr: "#2 /wordpress/wp-content/plugins/product-feed-manager-for-woocommerce/admin/class-tvc-admin-helper.php(483): TVC_Admin_Helper->get_subscriptionId()"

11/21/2023 2:54:00 AM[21-Nov-2023 08:54:00] WARNING: [pool susreb1a3c] child 72481 said into stderr: "#3 /wordpress/wp-content/plugins/product-feed-manager-for-woocommerce/admin/class-conversios-onboarding.php(33): TVC_Admin_Helper->get_connect_url()"

11/21/2023 2:54:00 AM[21-Nov-2023 08:54:00] WARNING: [pool susreb1a3c] child 72481 said into stderr: "#4 /wordpress/wp-content/plugins/product-feed-manager-for-woocommerce/admin/class-conversios-onboarding.php(96): C..."

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