IronSecureDoc故障排除未知加密错误ERROR-399This article was translated from English: Does it need improvement? TranslatedView the article in English描述该错误表示加密执行过程中发生内部错误。排除故障:将 PDF 和参数发送至 support@ironsoftware.com 团队,我们将记录问题并找出解决方案。