Histograms are not "transparent" anymore

Hello all,

all of a sudden root decided today that if I plot 2 histograms
on top of each other that the one behind the other cannot be seen
anymore. The histo even covers the x axis …

I have no idea why that is so.
I tried the usual ->Reset() commands but it does not help.

Anyone knows what to do?
I attached a picture.


Either you believe in astrology or you do not believe in determinism!
You must have changed some conditions to get this behaviour.
Note that in case a fill area overwrites one of the histograma axis, you can call
to redraw teh axis on top on your histograms. See Users Guide page 32.