What does the following error message mean?
WARNING, the StreamerInfo of class TProfile read from file
>sum_hist_138610_e.root
has the same version (=3) as 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.
received this while trying to access production data on a cdf machine
/cdf/opr/cdfprod0/4.8.4a_08/Stream_E/hist/sum_hist_138610_e.root
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| Stanley S Forrester Office: B0 Trailers 139-C |
| UC Davis Email: sforrest@fnal.gov |
| CDF MS 318 Fermilab Phone: (630) 840 2388 |
| PO Box 500 Fax: (630) 840 2968 |
| Batavia, IL 60510 |
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