Hi Georges,
Remove this line calling the TROOT constructor from hadd.C
In version 3.01, it is not necessary anymore to initialize the ROOT system.
Rene Brun
Georges Lobo wrote:
>
> I tried to use the simple macro hadd.C in the tutorials.
> I get the following error message
> Error: Can't call TROOT::TROOT("hist_add","Histogram Merger") in current
> scope FILE:hadd.C LINE:33
> I'm using the version 3.01/00 of root.
> Thanks in advance
> Georges Lobo
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