I am having the same warning as discussed here two years ago. Warning appears for every branch in the TChain that I am not saving to my Snapshot. I have ~6 mil events and it appeared 3 times while it loops… Looks like it happens for very specific events? Is this still unresolved? Can I ignore the…

I have noticed that my Snapshot file contains tree;3 tree;2 and tree;3 has more events than tree;2. ?

[image] Aux;1 aux;2 aux3; ROOT Hello! I’m filling a tree and after I, sometimes, get this funny behavior AUX;1 AUX;2 with the same histograms inside but with different events in each ;1 and ;2… Can somebody please tell me why this is happening? Many thanks, Stefanos…

Hi, please open a GitHub issue with a minimal reproducer, I’ll take a look as soon as possible. Cheers, Enrico

Done, thanks! Now its here: TChain::CopyAddresses:0 warning in RDataFrame Snapshot of TChain with multiple files with objects opened 12:59PM - 29 Mar 21 UTC (UTC) [dudarboh] dudarboh …

TChain::CopyAddresses:0 warning with RDataFrame: Could not find branch named

ROOT

Wile_E_Coyote March 27, 2021, 7:16pm 3