I can see this error in your
[Mon Feb 08 12:18:18.053221 2021] [proxy_fcgi:error] [pid 7663:tid 139980969899776] [client 126.96.36.199:58414] AH01071: Got error 'PHP message: PHP Fatal error: Cannot declare class LEClient\\LEFunctions, because the name is already in use in /opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/ssl-zen-premium/ssl_zen/lib/LEFunctions.php on line 44', referer: http://188.8.131.52/
It seems the issue is related to
ssl-zen-premium plugin, you could try to disable it a check the results.
Also, please note that Bitnami packages and configures already existing applications. However, we can only offer support and help on basic and most frequent application configurations. Always based on the default configuration or on our guides.
If the question is related to the application itself or any third party tool, probably someone with more experience and knowledge about that specific tool can help you better than we can. We suggest you to post your question on the official support forums of the application so others can help you.
We have a guide to optimize Wordpress that may help: