TypeError after trying to plot dataframe with mpf.plot

Question

I have a panda dataframe with the following columns:

Now I would like to plot out a chart with mpf.plot. But I am getting the following error:

How can I avoid the above TypeError Message? I did set the df index with the following command:

dfnew_plot = dfnew_plot.set_index('Date')

Answer 1

Your index isn't the correct dtype. It needs to be converted using:

dfnew_plot.index = pd.to_datetime(dfnew_plot.index)