The RPC server is unavailable

[#1]

Hello all,

I'm generating a lot off  NPrinting reports. All the report are running successfully except one- The error is "The RPC server is unavailable".

When i run this task manually - it works good.

What can be the problem?

Thanks,

Valeria.

[#2]

What is this mean?

How do you deal with it?

[#3]

16.4

The point is that other reports work