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Fatal error: require(): Failed opening required 'D:\wwwdoc/wp-includes/functions.wp-styles.php' (include_path='.;C:\php\pear') in D:\wwwdoc\wp-includes\script-loader.php on line 35

Fatal error: Uncaught Error: Call to a member function set() on null in D:\wwwdoc\wp-includes\l10n.php:850 Stack trace: #0 D:\wwwdoc\wp-includes\l10n.php(953): load_textdomain() #1 D:\wwwdoc\wp-includes\class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in D:\wwwdoc\wp-includes\l10n.php on line 850