ErrorException:
Cannot modify header information - headers already sent by (output started at /home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-content/themes/malerzeczy/vendor/roots/acorn/src/Roots/Acorn/PackageManifest.php:67)

  at /home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/pluggable.php:1531
  at Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-content/themes/malerzeczy/vendor/roots/acorn/src/Roots/Acorn/PackageManifest.php:67)', '/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/pluggable.php', 1531, array())
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-content/themes/malerzeczy/vendor/roots/acorn/src/Roots/Acorn/Bootstrap/HandleExceptions.php:49)
  at Roots\Acorn\Bootstrap\HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-content/themes/malerzeczy/vendor/roots/acorn/src/Roots/Acorn/PackageManifest.php:67)', '/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/pluggable.php', 1531)
  at header('X-Redirect-By: WordPress')
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/pluggable.php:1531)
  at wp_redirect('https://malerzeczy.specialprojekt.pl/en/our-actions/', 301)
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/canonical.php:839)
  at redirect_canonical('https://malerzeczy.specialprojekt.pl/?p=894')
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/class-wp-hook.php:341)
  at WP_Hook->apply_filters(null, array(''))
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/class-wp-hook.php:365)
  at WP_Hook->do_action(array(''))
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/plugin.php:522)
  at do_action('template_redirect')
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/template-loader.php:23)
  at require_once('/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-includes/template-loader.php')
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-blog-header.php:19)
  at require('/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/wp-blog-header.php')
     (/home/klient.dhosting.pl/espw0telein/malerzeczy.specialprojekt.pl/public_html/index.php:17)