Too many elements

Running and Runtime Errors
4

Thank you very much for your response… in this case I have no other means except to change the composition of my material, correct?

another question:
I’m having this
ERROR: could not load neutron cross section for isotope Z=73 A=180 m=0
Abort called from KHPNLOAD reason Error loading neutron cross section for isotope Run stopped!
STOP Error loading neutron cross section for isotope

I have tired all the suggestion from the other threads

here, here,

and all the other suggestion in the all threads on that regarding..
even I installed flair, and python… the same issue persist..

thanks you very much for your assistance.

Regards,
Yousef