Warning: Cannot modify header information

Getting This error when trying to Enable Yoco Payments. Running WordPress 6.3 and WooCommerce Version 8.0.2 and php 8.0.30

Warning: Cannot modify header information – headers already sent by (output started at /wp-content/plugins/yoco-payment-gateway/src/Helpers/Admin/Notices.php:46) in /wp-admin/includes/misc.php on line 1431
Warning: Cannot modify header information – headers already sent by (output started at /wp-content/plugins/yoco-payment-gateway/src/Helpers/Admin/Notices.php:46) in /wp-includes/functions.php on line 6935
Warning: Cannot modify header information – headers already sent by (output started at /wp-content/plugins/yoco-payment-gateway/src/Helpers/Admin/Notices.php:46) in /wp-admin/admin-header.php on line 9