[ROOT] <TFile::cd> Unkknown directori db

From: Iouri Koultchitski (kulchits@mail.cern.ch)
Date: Fri Nov 05 2004 - 10:48:21 MET

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Hi, 

I use the macro similar to copytree.C for production root ntuple from CDF 
STNtuple. The result is OK. But I can not make analysis of new 
ntuple. The result is "Error in <TFile::cd> Unknown directory db".
What is a reason of this error?

with best regards, Yuri

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