Error in lammps file run

Hello Guys,

I have just begun via installing Lammps in my laptop having Ubuntu working. I tried to run and in.heat file addressed in kappa in examples in Lammps Aug-2017 and getting this error in both.

Cannot open fix ave/chunk file ( . ./fix_ave_chunk.cpp:224)

Following is the address of the file I tried to run.

Home/ lammps-11Aug17/examples/KAPPA$ lammps<

It would be grateful if anyone could help.

Sanjay Kumar Jagga

Do you have permissions to write to the directory you are in?