Header problem

Hello good morning i need help for our website how to fixed this problem

Warning: Cannot modify header information - headers already sent by (output started at /home/x68913v5qku8/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php:278) in /home/x68913v5qku8/public_html/wp-content/plugins/jwt-authentication-for-wp-rest-api/public/class-jwt-auth-public.php on line 94

Notice: register_rest_route was called incorrectly. The REST API route definition for jwt-auth/v1/token is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /home/x68913v5qku8/public_html/wp-includes/functions.php on line 5311

Notice: register_rest_route was called incorrectly. The REST API route definition for jwt-auth/v1/token/validate is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. Please see Debugging in WordPress for more information. (This message was added in version 5.5.0.) in /home/x68913v5qku8/public_html/wp-includes/functions.php on line 5311

thank you so much

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