After finally succcesfully compiling EPACTS using G++, GCC 5 on Ubuntu 18.04 I run into the problem of plots not being generated. I tried running test_run_epacts.sh.
All files are being generated properly, except the plots.

It looks like the gnuplot cmd files are not being generated resulting in a
GPL Ghostscript 9.26: Unrecoverable error, exit code 1
Error: /undefined in LTB