Could not lookup vulnerabilities. | WordPress.org

Hello, since today my site scan does not work anymore, I get the following Error Report:

id               => 31891005
module           => site-scanner
type             => warning
code             => error
timestamp        => 2024-04-01 09:06:57
init_timestamp   => 2024-04-01 09:06:56
remote_ip        => 2a02:908:0000:0000::0000
user_id          => 1
url              => https://www.my-website.de/index.php?rest_route=%2Fithemes-security%2Fv1%2Fsite-scanner%2Fscans&_locale=user
memory_current   => 36292296
memory_peak      => 36421296
data             => Array
    results   => Array
        url       => https://www.my-website.de
        version   => 1.1
        entries   => Array
            blacklist   => Array
                0   => Array
                    report_details   => https://transparencyreport.google.com/safe-browsing/search?url=www.my-website.de
                    status           => clean
                    vendor           => Array
                        slug    => google
                        label   => Google Safe Browsing
        errors    => Array
            0   => Array
                code      => vulnerabilities_lookup_failed
                message   => Could not lookup vulnerabilities.
    cached    => [boolean] false

(I changed the URL and IP for privacy reasons.)