Plot rendering error: <Axes: label='<colorbar>'>; metadata = {'Entries': 153548, 'Name': 'NoiseDist-0', 'Overflow': 49.0, 'Type': 'Histo1d', 'Underflow': 2.0, 'x': {'AxisTitle': 'Noise [e]', 'Bins': 11, 'High': 57.0, 'Low': 2.0}, 'y': {'AxisTitle': 'Number of Pixels'}, 'z': {'AxisTitle': 'z'}}