Export data

$current_nid = 6756
$export_path = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_advocaat.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_agendaitem.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_article.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_blogitem.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_homepageslider.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_page.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_referentie.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_tekstblokken.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_vestiging.xml
ERROR File already exists:  = /var/www/bierensgroup.com/public_html/sites/default/files/xmlexport/drupal_export1_video.xml