如何解决此错误，请打开heroku应用程序：
2018-12-26T22：50：56.636727 + 00：00 heroku [router]：at =错误代码= H10 desc =“应用程序崩溃”，方法= GET path =“ /” host = young-springs-33489.herokuapp .com request_id = cdc49a54-7667-4406-bb48-9347699e2eb3 fwd =“ 24.216.55.31” dyno = connect = service = status = 503字节= protocol = https