Export Problem Adobe Rush - Windows

Hi Team,

I assembled a video during the last days and realize today that the rendering / export does not work.

I tried;

* different Export Types

* downgrading to an other (oder) windows Version for Rush

* stepping back from hardware acceleration

* redoing the whole beginning (does message above mean - there is a problem in Secon 16,9... ?)

* breaking up the complete 13 Min Video into different parts (the first one still does not work, the second one did)...

Any ideas?

Thx Hartmut  

* Redoing