unfortunately, after disabling all plugins and changing the theme to 2025 I still get the error
Fatal error: Uncaught Error: Call to undefined function create_function() in /home/server754199/ftp/neurodydaktyka/wp-includes/init.php:265 Stack trace: #0 /home/server754199/ftp/neurodydaktyka/wp-includes/init.php(33): MimeTypeDefinitionService->prepareDir(‘/home/server754…’) #1 /home/server754199/ftp/neurodydaktyka/wp-includes/init.php(336): MimeTypeDefinitionService->init() #2 /home/server754199/ftp/neurodydaktyka/wp-config.php(105): include_once(‘/home/server754…’) #3 /home/server754199/ftp/neurodydaktyka/wp-load.php(50): require_once(‘/home/server754…’) #4 /home/server754199/ftp/neurodydaktyka/wp-admin/admin.php(34): require_once(‘/home/server754…’) #5 /home/server754199/ftp/neurodydaktyka/wp-admin/themes.php(10): require_once(‘/home/server754…’) #6 {main} thrown in?/home/server754199/ftp/neurodydaktyka/wp-includes/init.php?on line?265
