Variability, inaccuracy, surprises, pains, … Covid-19 crisis has highly impacted the entire supply chain. I can now see myself again, 19 years ago, as a sales planner. What would have been possible for me to do in front of my planning system to plan the future? We should not consider year 2020, and probably H1 2021, as a relevant set of data for forecasting calculation. So, should I pick 2019 as the new reference, and delete 2020 from my data? My next S&OP run is coming, and I must find a solution to deal with sales forecasting after Covid.