unknownharderror弹窗,

如何针对安全网站的错误码"sec_error_unknown_issuer"进行故障排除
an unknown error has occurred facebook graph api
willnotattempttoauthenticateusingsaslunknownerrororgapache
world when an email message returns an invalid address or hard
并且显示如下信息 stop:c000021a unknown hard error unknown