EXSISTING CODE

    /**
     * Identify the space indention from the first line and remove this indention
     * from all lines
     *
     * @param string $body
     *
     * @return string
     */
    protected static function clearBodyIndention($body)
    {
        if (empty($body)) {
            return $body;
        }

        $lines = explode("\n", $body);

        $indention = str_replace(trim($lines[1]), '', $lines[1]);

        foreach ($lines as $key => $line) {
            if (substr($line, 0, strlen($indention)) == $indention) {
                $lines[$key] = substr($line, strlen($indention));
            }
        }

        $body = implode("\n", $lines);

        return $body;
    }
	
	
POSSIBLE FIX

    /**
     * Identify the space indention from the first line and remove this indention
     * from all lines
     *
     * @param string $body
     *
     * @return string
     */
    protected static function clearBodyIndention($body)
    {
        if (empty($body)) {
            return $body;
        }

        $lines = explode("\n", $body);
		$firstLine = array_shift(array_filter($lines));

        $indention = str_replace(trim($firstLine), '', $firstLine);

        foreach ($lines as $key => $line) {
            if (substr($line, 0, strlen($indention)) == $indention) {
                $lines[$key] = substr($line, strlen($indention));
            }
        }

        $body = implode("\n", $lines);

        return $body;
    }