Error executing “GetPublicAccessBlock

2023/07/04 10:05:10 [error] 5858#5858: *4726 FastCGI sent in stderr: "PHP message: AS3CF: Could not get Block All Public Access status: Error executing "GetPublicAccessBlock" on "https://mysite2.sfo3.digitaloceanspaces.com/?publicAccessBlock"; AWS HTTP error: Server error: GET https://mysite2.sfo3.digitaloceanspaces.com/?publicAccessBlock resulted in a 501 Not Implemented response:

<?xml version="1.0" encoding="UTF-8"?>

<Error>

<Code>NotImplemented</Code>

<Message>Server does not support the function (truncated...)

 NotImplemented (server): Server does not support the functionality required to fulfill the request. Please see https://developers.digitalocean.com/documentation/spaces/#aws-s3-compatibility - <?xml version="1.0" encoding="UTF-8"?>

<Error>

<Code>NotImplemented</Code>

<Message>Server does not support the functionality required to fulfill the request. Please see https://developers.digitalocean.com/documentation/spaces/#aws-s3-compatibility</Message>

</Error>" while reading response header from upstream, client: 24.199.120.100, server: mysite.com, request: "GET /wp-admin/network/settings.php?page=amazon-s3-and-cloudfront HTTP/2.0", upstream: "fastcgi://unix:/var/run/php/php82-two-fpm.sock:", host: "mysite.com", referrer: "https://mysite.com/wp-admin/network/plugins.php?plugin_status=active"

Hello

Temporelly disable offload, it will trigger the above error.

What does that mean please?