That probably means you submitted an object of class DCCfit to dccforecast 
without checking whether it had converged first. Of course,  with such limited 
information I can only but speculate. Please sign your messages with you real 
name if you expect future replies.

-Alexios


> On 27 May 2014, at 18:32, "firhat.nawfan.h" <[email protected]> wrote:
> 
> hi Alexios i have recently also experienced the same error "Error in ans$res
> : $ operator is invalid for atomic vectors" but for another function:
> "dccforecast"
> 
> 
> 
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