plot disappears when units are changed to dB magnitude

DTT_dB_magnituide_plot_disappears DTT_dB_magnituide_plot_disappears_after DARMFDS_fast_fom_20240508_plotdisappears.xml

In the attached dtt template, if I change the units on the lower plot to dB magnitude, the lower plot disappeaars as shown in the screenshots.

Edited by Sheila Dwyer