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': 0, 'Name': 'TotDist', 'Overflow': 0.0, 'Type': 'Histo1d', 'Underflow': 0.0, 'x': {'AxisTitle': 'ToT [bc]', 'Bins': 16, 'High': 16.5, 'Low': 0.5}, 'y': {'AxisTitle': 'Hits'}, 'z': {'AxisTitle': 'z'}}