Plot rendering error: 
$\mathdefault{10^{-6}}$
^
ParseException: Expected end of text, found '$'  (at char 0), (line:1, col:1); metadata = {'Entries': 7995974, 'Name': 'InjVcalDiff', 'Overflow': 6301015.0, 'Type': 'Histo2d', 'Underflow': 0.0, 'x': {'AxisTitle': 'InjVcalDiff', 'Bins': 101, 'High': 502.5, 'Low': -2.5}, 'y': {'AxisTitle': 'Occupancy', 'Bins': 49, 'High': 49.5, 'Low': 0.5}, 'z': {'AxisTitle': 'Number of pixels'}}