Re: "oh dear, already have a slot" exception

[Élie Roux]

> Because that is the source being copied from.
>
> Is it TIM or TDB1?

Oh it's all in memory, I read a dataset in a trig file, extract a
graph, modify it, create a new dataset, add the new modified graph and
save the file in trig.

Best
-- 
Elie