Fatal error: Uncaught Error: Call to undefined function trailingslashit() in /srv/users/ljusexperten/apps/ljusexperten/public/wp-includes/class-wp-textdomain-registry.php:103
Stack trace:
#0 /srv/users/ljusexperten/apps/ljusexperten/public/wp-includes/l10n.php(784): WP_Textdomain_Registry->set('default', 'sv_SE', '/srv/users/ljus...')
#1 /srv/users/ljusexperten/apps/ljusexperten/public/wp-includes/load.php(1401): load_textdomain('default', '/srv/users/ljus...', 'sv_SE')
#2 /srv/users/ljusexperten/apps/ljusexperten/public/wp-includes/load.php(278): wp_load_translations_early()
#3 /srv/users/ljusexperten/apps/ljusexperten/public/wp-settings.php(74): wp_maintenance()
#4 /srv/users/ljusexperten/apps/ljusexperten/public/wp-config.php(73): require_once('/srv/users/ljus...')
#5 /srv/users/ljusexperten/apps/ljusexperten/public/wp-load.php(50): require_once('/srv/users/ljus...')
#6 /srv/users/ljusexperten/apps/ljusexperten/public/wp-blog-header.php(13): require_once('/srv/users/ljus...')
#7 /srv/users/ljusexperten/apps/ljusexperte in /srv/users/ljusexperten/apps/ljusexperten/public/wp-includes/class-wp-textdomain-registry.php on line 103