Fatal error: Uncaught Error: Class 'WP_Translation_Controller' not found in /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php:796
Stack trace:
#0 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php(1367): load_textdomain('really-simple-s...', '/home/mocnyful/...', 'pl_PL')
#1 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php(1384): _load_textdomain_just_in_time('really-simple-s...')
#2 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php(194): get_translations_for_domain('really-simple-s...')
#3 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php(306): translate('File editing', 'really-simple-s...')
#4 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-content/plugins/really-simple-ssl/security/integrations.php(14): __('File editing', 'really-simple-s...')
#5 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-content/plugins/really-simple-ssl/security/security.php(31): require_onc in /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php on line 796

Fatal error: Uncaught Error: Class 'WP_Translation_Controller' not found in /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php:796
Stack trace:
#0 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php(953): load_textdomain('default', '/home/mocnyful/...', 'pl_PL')
#1 /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
  thrown in /home/mocnyful/domains/katalog-monitorow.pl/public_html/wp-includes/l10n.php on line 796