Hi Robert, I liked to play with dominos, but d0mino is out of our control. You seem to have a mismatch between your include files and your $ROOTSYS/LD_LIBRARY_PATH. Rene Brun Robert Zitoun wrote: > > Hi Rooters > > I was working on d0mino (D0 machine at Fermilab) and suddenly I am no > longer able to write histograms to file which used to work few days ago. > > fout = new TFile("fit_quality.root", "recreate"); > fout->cd(); > for( box=0 ; box<12 ; box++ ) > { > h_slope[box]->Write(); > h_inter[box]->Write(); > } > fout->ls(); > fout->Close(); > > The instruction fout->ls() gives only > > TFile** fit_quality.root > TFile* fit_quality.root > > Also, when I read another root file, I have the diagnostic > > WARNING, class:TProfile StreamerInfo read from file:slopes.root > has the same version:3 than the active class > but a different checksum. > You should update the version to ClassDef(TProfile,4). > Do not try to write objects with the current class definition, > the files will not be readable. > > I am not using any TProfile there!!! > > Help > > Thank you
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