Reply To: Error: addfdtd is not a valid function or a variable name

[simenew.assefa]

# Import the refractive index data for each material
importmaterial(glass, "SiO2.mdf"); # Replace "SiO2.mdf" with the appropriate MDF file for glass
importmaterial(ito, "ITO.mdf"); # Replace "ITO.mdf" with the appropriate MDF file for ITO
importmaterial(zno, "ZnO.mdf"); # Replace "ZnO.mdf" with the appropriate MDF file for ZnO
importmaterial(p3ht_pcbm, "P3HT_PCBM.mdf"); # Replace "P3HT_PCBM.mdf" with the appropriate MDF file for P3HT:PCBM
importmaterial(moo3, "MoO3.mdf"); # Replace "MoO3.mdf" with the appropriate MDF file for MoO3
importmaterial(al, "Al.mdf"); # Replace "Al.mdf" with the appropriate MDF file for Al

# Define the layer thicknesses (nm)
thickness_glass = ...;
thickness_ito = ...;
thickness_zno = ...;
thickness_p3ht_pcbm = ...;
thickness_moo3 = ...;
thickness_al = ...;

# Create the multilayer structure
stack = stack();
addlayer(stack, thickness_glass, glass);
addlayer(stack, thickness_ito, ito);
addlayer(stack, thickness_zno, zno);
addlayer(stack, thickness_p3ht_pcbm, p3ht_pcbm);
addlayer(stack, thickness_moo3, moo3);
addlayer(stack, thickness_al, al);

Calculate the absorption spectrum
spectrum = spectrum(lambda);
addpower();
addanalysis();

active layer.lsf;
Error: C:\Users\Newaye\Desktop\active layer.lsf.lsf line 13: importmaterial is not a valid function or variable name.

CAN ANY ONE HELP ME HOW TO RUN IT?