P1
1.fill column A with row number, column B~D with random data
2.select all to plot 2D waterfall (Plot: 3D: Waterfall)
3.click rescale
==> crash

P2
1.fill column A with row number, column B~D with random data
2.select all to plot colormapped line series (Plot: Basic 2D tab) or Waterfall Z color mapping
3.select plot, change plot type to symbol from mini toolbar(or you can change with context menu)
4.click 2nd plot
--> everything is fine
5.click 1st plot
==> crash

Fixed in Origin2020b.