Hello ROOTers, I am using ROOT 3.05/07 with gcc 2.96 on lxplus. I have a program which creates a TTree fine, but when I load the TTree I get the following error message: Error in <TObjArray::At>: index 12 out of bounds (size: 13, this: 0x08971d20) I have looked at my arrays but I do not seem to be going out of bounds anywhere in my program. Is there a way for me to trace what object is at the given address? Is there some other way to find out what the problem is? Additionally, I would like to create a new tree on each run of my program and add it as a friend to the first tree. I would like to name them tree0, tree1, tree2, etc. Is there a simple way to keep a running count of trees in the file, i.e. some command that returns the number of trees stored? Thanks, Chris
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