Nefunkcnost funkcie import pre wordpress

unable to create a temporary file in Unknown on line 0

Warning: Cannot modify header information – headers already sent in /data/web/virtuals/364586/virtual/www/domains/skka.sk/wp-admin/includes/misc.php on line 1438

Warning: Cannot modify header information – headers already sent in /data/web/virtuals/364586/virtual/www/domains/skka.sk/wp-includes/functions.php on line 7108

Warning: Cannot modify header information – headers already sent in /data/web/virtuals/364586/virtual/www/domains/skka.sk/wp-admin/admin-header.php on line 17

Pri pokuse o Import XML suboru do wordpress dava teto errory, vytvorenie temp suboru nefunguje a pred tymto bolo potreba urobit novy plugins priecinok pretoze ten stary robil chybu kedy sa neslo prihlasit do WP admin.

function wp_admin_headers() {
 $policy = 'strict-origin-when-cross-origin';
  /**
  * Filters the admin referrer policy header value.
  *
  * @since 4.9.0
  * @since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'.
  *
  * @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy
  *
  * @param string $policy The admin referrer policy header value. Default 'strict-origin-when-cross-origin'.
  */
 $policy = apply_filters( 'admin_referrer_policy', $policy );
  header( sprintf( 'Referrer-Policy: %s', $policy ) );
}
header( sprintf -------   je line 1438

/**
 * Sends a HTTP header to limit rendering of pages to same origin iframes.
 *
 * @since 3.1.3
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options
 */
function send_frame_options_header() {
 header( 'X-Frame-Options: SAMEORIGIN' );
}
 /**
 * Retrieves a list of protocols to allow in HTML attributes.
 *
 * @since 3.3.0
 * @since 4.3.0 Added 'webcal' to the protocols array.
 * @since 4.7.0 Added 'urn' to the protocols array.
 * @since 5.3.0 Added 'sms' to the protocols array.
 * @since 5.6.0 Added 'irc6' and 'ircs' to the protocols array.
 *
 * @see wp_kses()
 * @see esc_url()
 *
 * @return string[] Array of allowed protocols. Defaults to an array containing 'http', 'https',
 *                  'ftp', 'ftps', 'mailto', 'news', 'irc', 'irc6', 'ircs', 'gopher', 'nntp', 'feed',
 *                  'telnet', 'mms', 'rtsp', 'sms', 'svn', 'tel', 'fax', 'xmpp', 'webcal', and 'urn'.
 *                  This covers all common link protocols, except for 'javascript' which should not
 *                  be allowed for untrusted users.
 */
function wp_allowed_protocols() {
 static $protocols = array();
  if ( empty( $protocols ) ) {
  $protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'irc6', 'ircs', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'sms', 'svn', 'tel', 'fax', 'xmpp', 'webcal', 'urn' );
 }
  if ( ! did_action( 'wp_loaded' ) ) {
  /**
   * Filters the list of protocols allowed in HTML attributes.
   *
   * @since 3.0.0
   *
   * @param string[] $protocols Array of allowed protocols e.g. 'http', 'ftp', 'tel', and more.
   */
  $protocols = array_unique( (array) apply_filters( 'kses_allowed_protocols', $protocols ) );
 }
  return $protocols;
}
header( 'X-Frame-Options: SAMEORIGIN' ); je line 7108

<?php
/**
 * WordPress Administration Template Header
 *
 * @package WordPress
 * @subpackage Administration
 */
 header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
if ( ! defined( 'WP_ADMIN' ) ) {
 require_once __DIR__ . '/admin.php';
}
 /**
 * In case admin-header.php is included in a function.
 *
 * @global string    $title              The title of the current screen.
 * @global string    $hook_suffix
 * @global WP_Screen $current_screen     WordPress current screen object.
 * @global WP_Locale $wp_locale          WordPress date and time locale object.
 * @global string    $pagenow            The filename of the current screen.
 * @global string    $update_title
 * @global int       $total_update_count
 * @global string    $parent_file
 * @global string    $typenow            The post type of the current screen.
 */
global $title, $hook_suffix, $current_screen, $wp_locale, $pagenow,
 $update_title, $total_update_count, $parent_file, $typenow;
-----
* @global string    $title              The title of the current screen. je line 17