theory not specified dplot


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Just Got Here
Hello!

I am trying to run dplot to generate .cube files, but I keep getting an error which says 'theory not specified' and I do not know how to fix it. Here is the input file I am using, I took the example for charge density from the documentation and then just changed names of files etc, but I still get the error.

start
echo
geometry
load geo-027.xyz
end
basis
H  library 6-31G*
B library 6-31G*
C library 6-31G*
Cl library 6-31G*
O library 6-31G*
N library 6-31G*
S library 6-31G*
Br library 6-31G*
end
scf
vectors output geo.movecs
end
dplot
 TITLE NAPQI
vectors geo.movecs
LimitXYZ
-3.0 3.0 10
-3.0 3.0 10
-3.0 3.0 10
spin total
gaussian
output napqi.cube
end
task scf
task dplot

Thanks in advance for any help!