PHP 8.0 Warning

Using v4.7.0.1 with PHP 8.0 and getting a lot of warning messages in server logs:

2021/05/21 18:09:37 [error] 553#553: *60733 FastCGI sent in stderr: "PHP message: PHP Warning: Trying to access array offset on value of type bool in /var/www/example.com/htdocs/wp-content/plugins/wp-seopress/inc/functions/options-oembed.php on line 60PHP message: PHP Warning: Trying to access array offset on value of type bool in /var/www/example.com/htdocs/wp-content/plugins/wp-seopress/inc/functions/options-oembed.php on line 61PHP message: PHP Warning: Trying to access array offset on value of type bool in /var/www/example.com/htdocs/wp-content/plugins/wp-seopress/inc/functions/options-oembed.php on line 62PHP message: PHP Warning: Trying to access array offset on value of type bool in /var/www/example.com/htdocs/wp-content/plugins/wp-seopress/inc/functions/options-oembed.php on line 60PHP message: PHP Warning: Trying to access array offset on value of type bool in /var/www/example.com/htdocs/wp-content/plugins/wp-seopress/inc/functions/options-oembed.php on line 61PHP message: PHP Warning: Trying to access array offset on value of type bool in /var/www/example.com/htdocs/wp-content/plugins/wp-seopress/inc/functions/options-oembed.php on line 62" while reading response header from upstream, client: 189.186.29.110, server: exampley.com, request: "GET /wp-json/oembed/1.0/embed?url=https%3A%2F%2Fexample.com%2F&maxwidth=600&maxheight=750&dnt=1&format=json HTTP/2.0", upstream: "fastcgi://127.0.0.1:9000", host: "example.com"