什么可以导致“无效二进制”没有电子邮件跟进从iTunes连接?

I'm trying to submit an update of an existing application on behalf of one of my clients, and I'm getting "Invalid Binary" failures from iTunes Connect with no explanation of the error. I'm leaving on a 2 week vacation without network access tomorrow, so I'm a bit desperate for a solution. Any insights are greatly appreciated.I'm trying to submit an update of an existing a