<diagnostics>
    <diagnostic xmlns="http://www.loc.gov/zing/srw/diagnostic/">
        <uri>info:srw/diagnostic/1/1</uri>
        <details>
            <url>http://sru.vls.io/datacite?operation=searchRetrieve&amp;query=rec.identifier%3D12345&amp;recordSchema=mods</url>
            <headers><header name="ACCEPT" value="*/*"/><header name="ACCEPT-ENCODING" value="gzip, br, zstd, deflate"/><header name="CONNECTION" value="close"/><header name="COOKIE" value="session_id=44306c57c5d23b44876191e2e312897f4ef7f781"/><header name="HOST" value="sru.vls.io"/><header name="Remote-Addr" value="172.17.0.5"/><header name="USER-AGENT" value="Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"/><header name="X-FORWARDED-FOR" value="216.73.216.189"/><header name="X-FORWARDED-PORT" value="443"/><header name="X-FORWARDED-PROTO" value="https"/><header name="X-FORWARDED-SSL" value="on"/><header name="X-REAL-IP" value="216.73.216.189"/></headers>
            <params><param name="operation" value="searchRetrieve"/><param name="query" value="rec.identifier=12345"/><param name="recordSchema" value="mods"/></params>
            <additional><name>XmlRpcReportsError</name><hint>Received error from XmlRpc interface</hint><msg>"doi:12345" is unknown or illegal in this repository</msg><cql>rec.identifier="12345"</cql><remoteUrl>https://oai.datacite.org/oai?verb=GetRecord&amp;metadataPrefix=datacite&amp;identifier=doi%3A12345</remoteUrl><provider>datacite</provider><protocol>XML-RPC</protocol><mdrevision>0</mdrevision><host>https://oai.datacite.org</host><database>/oai?verb=GetRecord&amp;metadataPrefix=datacite</database><recordSyntax>DATACITE</recordSyntax><targetRecordSyntax>MODS</targetRecordSyntax><area>searchRetrieve.fetchRecords</area></additional>
            </details>
        <message>An error has occured: XmlRpcReportsError - "doi:12345" is unknown or illegal in this repository</message>
    </diagnostic>
</diagnostics>