Plot rendering error: Colorbar layout of new layout engine not compatible with old engine, and a colorbar has been created.  Engine not changed.; metadata = {'Entries': 6001094, 'Name': 'InjVcalDiff', 'Overflow': 4839252.0, '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'}}