HttpError while importing native xml issue ojs 3.2.0-2

Hi, try this sample.

<?xml version="1.0"?>
<articles xmlns="http://pkp.sfu.ca" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pkp.sfu.ca native.xsd">
  <article xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" date_submitted="2020-05-09" status="3" submission_progress="0" current_publication_id="1040" stage="submission">
    <id type="internal" advice="ignore">606</id>
    <submission_file xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" stage="production_ready" id="893" xsi:schemaLocation="http://pkp.sfu.ca native.xsd">
      <revision number="1" genre="general" filename="origname" viewable="false" date_uploaded="2020-05-09" date_modified="2020-05-09" filesize="534182" filetype="application/pdf" uploader="admin">
        <name locale="en_US">admin, origname.pdf</name>
        <embed encoding="base64">base64</embed>
      </revision>
    </submission_file>
    <publication xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" locale="ru_RU" version="1" status="3" primary_contact_id="1279" url_path="" seq="15" date_published="2020-05-09" section_ref="&#x441;&#x442;" access_status="0" xsi:schemaLocation="http://pkp.sfu.ca native.xsd">
      <id type="internal" advice="ignore">1040</id>
      <title locale="en_US">My Test Title Example</title>
      <title locale="ru_RU">My Test Title Example</title>
      <abstract locale="en_US">Abstract.</abstract>
      <abstract locale="ru_RU">Аннотация</abstract>
      <keywords locale="ru_RU">
        <keyword>ключевое слово1</keyword>
        <keyword>ключевое слово2</keyword>
      </keywords>
      <keywords locale="en_US">
        <keyword>keyword1</keyword>
        <keyword>keyword2</keyword>
      </keywords>
      <subjects locale="ru_RU">
        <subject>УДК 004.62</subject>
      </subjects>
      <subjects locale="en_US">
        <subject>UDC 004.62</subject>
      </subjects>
      <authors xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pkp.sfu.ca native.xsd">
        <author include_in_browse="true" user_group_ref="author" seq="1" id="1281">
          <givenname locale="en_US">John</givenname>
          <givenname locale="ru_RU">Джон</givenname>
          <familyname locale="en_US">Doe</familyname>
          <familyname locale="ru_RU">Дое</familyname>
          <affiliation locale="ru_RU">Affiliation1; Affiliation2</affiliation>
          <affiliation locale="en_US">Affiliation1; Affiliation2</affiliation>
          <country>RU</country>
          <email>john.doe@example.com</email>
          <biography locale="en_US">Bio eng</biography>
          <biography locale="ru_RU">Bio rus</biography>
        </author>
      </authors>
      <article_galley xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" locale="ru_RU" approved="false" xsi:schemaLocation="http://pkp.sfu.ca native.xsd">
        <id type="internal" advice="ignore">701</id>
        <name locale="ru_RU">PDF</name>
        <seq>0</seq>
        <submission_file_ref id="893" revision="1"/>
      </article_galley>
      <issue_identification>
        <volume>23</volume>
        <number>3</number>
        <year>2020</year>
      </issue_identification>
      <pages>433-450</pages>
      <citations>
        <citation>Doe J. Test citation title // My journal(MJ). 2020. V. 123. Issue 321. Article No 20.</citation>
      </citations>
    </publication>
  </article>
</articles>

If you don’t have some IDs yet, you can simply delete them or set them to zero if necessary, such as the author ID.