If you run mtzdmp on your mtz file what labels do you get for FOM ? Enter the 
right label into DM and it won't complain.

Jürgen 

Sent from my iPad

On Jun 14, 2012, at 7:58, "Appu kumar" <[email protected]> wrote:

> Hello Dear all
>                             I am trying running dm (density modification) 
> programe for density modification, but it giving error complaining about 
> density map. It says,  dm:   (WFO) No density in map! Check input FOM present 
> and nonzero. 
> 
> Please suggest me how to overcome this problem. I am density modification 
> with SAD data , but dm giving error. Your help will be much appreciated. 
> Thank you 
> Appu

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