I am trying to generate SSFs as a function of energy for a series of nuclides in their elemental composition. Input and files file are included below. The reported error is:
00003: Fatal : ptable_m:mixture: 2:
SSFFUEL or SSFMASS keyword must be present for PROBTABLE to be used
SSFMASS and PROBTABLE are included, and the fatal error is generated with them in either order.
INPUT FILE
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<< -----collapse cross section data----- >>
CLOBBER
GETXS 1 709
PROBTABLE 1 1
SSFCHOOSE 1 1
Ac225
SSFMASS 0.001 1
Ac 100.0
FISPACT
* COLLAPSE tal2015-n/gxs-709 with tp-709-294
END
* END OF RUN
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# gamma attenuation data
absorp /opt/FISPACT-II-3-20/ENDFdata/decay/abs_2012
# index of nuclides to be included
ind_nuc /opt/FISPACT-II-3-20/ENDFdata/TENDL2015data/tendl15_decay12_index
# Library cross section data
enbins /opt/FISPACT-II-3-20/ENDFdata/ebins/ebins_709
xs_endf /opt/FISPACT-II-3-20/ENDFdata/TENDL2015data/tal2015-n/gxs-709
# Library probability tables for self-shielding
prob_tab /opt/FISPACT-II-3-20/ENDFdata/TENDL2015data/tal2015-n/tp-709-294
#fluxes
fluxes fluxes
arb_flux spectra
# Library decay data
dk_endf /opt/FISPACT-II-3-20/ENDFdata/decay/decay_2012
# Library fission data
fy_endf /opt/FISPACT-II-3-20/ENDFdata/TENDL2015data/tal2015-n/gef52_nfy
# Spontaneous fission data
sf_endf /opt/FISPACT-II-3-20/ENDFdata/TENDL2015data/tal2015-n/gef52_sfy
# Library regulatory data
hazards /opt/FISPACT-II-3-20/ENDFdata/decay/hazards_2012
clear /opt/FISPACT-II-3-20/ENDFdata/decay/clear_2012
a2data /opt/FISPACT-II-3-20/ENDFdata/decay/a2_2012
# collapsed cross section data (in and out)
collapxi COLLAPX
collapxo COLLAPX
# condensed decay and fission data (in and out)
arrayx ARRAYX
Any help much appreciated,
Fred