R help - Oct 2011 - "invalid or not-yet-implemented 'Matrix' subsetting"

I have this error and I can't figure out whats wrong:

"invalid or not-yet-implemented 'Matrix' subsetting"


it pops up when I try to run this line of code: 

 S <- B[indices.mod,union(mir.e.nc,mir.negatives.nc)]


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collegegurl69 <gunnerman4000 <at> hotmail.com> writes:
> 
> I have this error and I can't figure out whats wrong:
> "invalid or not-yet-implemented 'Matrix' subsetting"
> it pops up when I try to run this line of code: 
>  S <- B[indices.mod,union(mir.e.nc,mir.negatives.nc)]
   Could we have a reproducible example please ... ??