Warning: require_once(C:\Sites\LeAncore/wp-includes/blocks/tabs.php): Failed to open stream: No such file or directory in C:\Sites\LeAncore\wp-includes\blocks\require-dynamic-blocks.php on line 83

Fatal error: Uncaught Error: Failed opening required 'C:\Sites\LeAncore/wp-includes/blocks/tabs.php' (include_path='.;C:\php\pear') in C:\Sites\LeAncore\wp-includes\blocks\require-dynamic-blocks.php:83 Stack trace: #0 C:\Sites\LeAncore\wp-includes\blocks\index.php(18): require() #1 C:\Sites\LeAncore\wp-settings.php(403): require('C:\\Sites\\LeAnco...') #2 C:\Sites\LeAncore\wp-config.php(107): require_once('C:\\Sites\\LeAnco...') #3 C:\Sites\LeAncore\wp-load.php(50): require_once('C:\\Sites\\LeAnco...') #4 C:\Sites\LeAncore\wp-blog-header.php(13): require_once('C:\\Sites\\LeAnco...') #5 C:\Sites\LeAncore\index.php(17): require('C:\\Sites\\LeAnco...') #6 {main} thrown in C:\Sites\LeAncore\wp-includes\blocks\require-dynamic-blocks.php on line 83

Fatal error: Uncaught Error: Call to a member function set() on null in C:\Sites\LeAncore\wp-includes\l10n.php:857 Stack trace: #0 C:\Sites\LeAncore\wp-includes\l10n.php(960): load_textdomain('default', 'C:\\Sites\\LeAnco...', 'it_IT') #1 C:\Sites\LeAncore\wp-includes\class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in C:\Sites\LeAncore\wp-includes\l10n.php on line 857