Cosmic ray energy distribution

Hi dear friend
We used the Fluka tool to calculate the energy spectrum of cosmic muons across our latitude and longitude, and obtained the attached file, but this code does not work. Please help solve this code problem.
Thanks (101.0 KB)

Dear Hassan,

I had to rename atmloc.sur to phi0456.sur, to make it work for me.

However, based on the files you attached, you are using a different version of FLUKA. On this forum, we only provide support for the version released by CERN, at