ERROR: This XML is NOT VALID:

NOT VALID: Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-schema-ns: The namespace of element 'html' must be from the schema namespace, 'http://www.w3.org/2001/XMLSchema'.
Error: s4s-elt-invalid: Element 'html' is not a valid element in a schema document.
Error: schema_reference.4: Failed to read schema document 'http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
Error: cvc-elt.1.a: Cannot find the declaration of element 'OAI-PMH'.
Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-schema-ns: The namespace of element 'html' must be from the schema namespace, 'http://www.w3.org/2001/XMLSchema'.
Error: s4s-elt-invalid: Element 'html' is not a valid element in a schema document.
Error: schema_reference.4: Failed to read schema document 'http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-schema-ns: The namespace of element 'html' must be from the schema namespace, 'http://www.w3.org/2001/XMLSchema'.
Error: s4s-elt-invalid: Element 'html' is not a valid element in a schema document.
Error: schema_reference.4: Failed to read schema document 'http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-character: Non-whitespace characters are not allowed in schema elements other than 'xs:appinfo' and 'xs:documentation'. Saw '301 Moved Permanently'.
Error: s4s-elt-schema-ns: The namespace of element 'html' must be from the schema namespace, 'http://www.w3.org/2001/XMLSchema'.
Error: s4s-elt-invalid: Element 'html' is not a valid element in a schema document.
Error: schema_reference.4: Failed to read schema document 'http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.

---

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

<OAI-PMH  xmlns="http://www.openarchives.org/OAI/2.0/"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/
  http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd">
<responseDate>2024-12-21T13:28:37Z</responseDate>
<request>http://ebas-oai-pmh.nilu.no/oai/provider</request>

        <error  code="badArgument">GetRecord  must  include  the  argument  'identifier'</error>

</OAI-PMH>