Notebooks with a very large amount of data cannot be saved, throwing an ugly message

[sidviny]

I was reading a Windows Event Log file into a dataframe with some own code. The .evtx file is 0.5 Gb. The eventual dataframe has 95k rows and 9 columns.

When I tried to save my notebook, I got the following error:

I suppose this is because the notebook is trying to save the dataframe also in the notebook. So I was not surprised. But only a programmer can accept this kind of error message.