Validation errors:

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}file', attribute 'filesize': '' is not a valid value of the atomic type 'xs:int'.

Element '{http://pkp.sfu.ca}issue': Missing child element(s). Expected is ( {http://pkp.sfu.ca}articles ).

Invalid XML:

<?xml version="1.0"?>
<issue xmlns="http://pkp.sfu.ca" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" published="1" current="0" access_status="1" url_path="" xsi:schemaLocation="http://pkp.sfu.ca native.xsd">
  <id type="internal" advice="ignore">10</id>
  <issue_identification>
    <volume>59</volume>
    <number>1</number>
    <year>2015</year>
    <title locale="en_US">Regular Issue</title>
  </issue_identification>
  <date_published>2017-10-12</date_published>
  <last_modified>2017-10-12</last_modified>
  <sections>
    <section ref="CONT" seq="3" editor_restricted="1" meta_indexed="0" meta_reviewed="0" abstracts_not_required="1" hide_title="0" hide_author="1" abstract_word_count="0">
      <id type="internal" advice="ignore">5</id>
      <abbrev locale="en_US">CONT</abbrev>
      <title locale="en_US">Table of Contents</title>
    </section>
    <section ref="ART" seq="1" editor_restricted="0" meta_indexed="1" meta_reviewed="1" abstracts_not_required="0" hide_title="0" hide_author="0" abstract_word_count="0">
      <id type="internal" advice="ignore">1</id>
      <abbrev locale="en_US">ART</abbrev>
      <abbrev locale="es_ES">art.</abbrev>
      <policy locale="en_US">&lt;p&gt;Should be complete and authoritative accounts of work that has special significance and general interest, presented clearly and concisely. Full original investigation paper.&lt;/p&gt;</policy>
      <title locale="en_US">Regular Articles</title>
      <title locale="es_ES">Art&#xED;culos</title>
    </section>
  </sections>
  <covers>
    <cover locale="en_US">
      <cover_image/>
      <cover_image_alt_text/>
      <embed encoding="base64"/>
    </cover>
  </covers>
  <issue_galleys xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pkp.sfu.ca native.xsd"/>
</issue>