Put in theme functions.php to turn off admin plugin error notice.
function fix_errors($errno, $errstr, $errfile, $errline, $errcontext) { if (defined('E_STRICT') && $errno==E_STRICT) { return; } $error_file = str_replace('\\', '/', $errfile); $content_dir = str_replace('\\', '/', WP_CONTENT_DIR . '/themes'); if (strpos($error_file, $content_dir) === false) { return true; } return false; } set_error_handler('fix_errors');