Fatal error: Cannot redeclare get_page_by_title() (previously declared in D:\inetpub\webs\pattoambiente22it\wp-includes\post.php:5778) in D:\inetpub\webs\pattoambiente22it\wp-includes\deprecated.php on line 4557

Fatal error: Uncaught Error: Call to a member function set() on null in D:\inetpub\webs\pattoambiente22it\wp-includes\l10n.php:784 Stack trace: #0 D:\inetpub\webs\pattoambiente22it\wp-includes\l10n.php(872): load_textdomain() #1 D:\inetpub\webs\pattoambiente22it\wp-includes\class-wp-fatal-error-handler.php(47): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in D:\inetpub\webs\pattoambiente22it\wp-includes\l10n.php on line 784