Warning while rebinning TProfile histograms

[couet]

may be these:

Warning in <Sumw2>: Sum of squares of profile bin weights structure already created

Hello guys, There is still a “warning” that Warning in <Sumw2>: Sum of squares of profile bin weights structure already created in the below process of calculation. I found when I uncomment the line. his_a->Sumw2(kFALSE); and his_b->Sumw2(kFALSE); the Warning dispear. I think the warning coming from the for loop, so that multi-tprofile have some name, right? I am now sure whehter there is some difference bewteen them. for(){ TH2D* a = (TH2D*)file->Get(" "); TProfile* tp_a = (TProfile*)a->P…

https://root-forum.cern.ch/t/dividing-tprofile-histograms/26266/5