Fatal error: Uncaught Error: Class 'Text_Diff_Renderer' not found in /nfs/aesop1/dw00/d25/xsp/wordpress/wp-includes/class-wp-text-diff-renderer-table.php:16 Stack trace: #0 {main} thrown in /nfs/aesop1/dw00/d25/xsp/wordpress/wp-includes/class-wp-text-diff-renderer-table.php on line 16