Error runing LAMMPS examples

I am trying to run this simulation:
https://icme.hpc.msstate.edu/mediawiki/index.php/Deformation_of_Amorphous_Polyethylene.html
I receive this error:


Any help would greatly be appreciated.
I was trying to upload input and data files since I am a new user I could not. the input file is from this page:
https://icme.hpc.msstate.edu/mediawiki/index.php/LAMMPS_Input_Deck_for_Atomistic_Deformation_of_Amorphous_Polyethylene.html
and the data file from here:
https://icme.hpc.msstate.edu/mediawiki/index.php/LAMMPS_Polymer_Datafile.html
Thanks!

The most likely explanation is that you did not download the file correctly or made some edits that changed some important parts.

It works fine for me.

Instead of attaching a file you can also upload them to google drive or dropbox or similar and provide a link to them.

When you load the file into a text editor (e.g. notepad on windows), the first few lines of the data (not input) file should look exactly like this:

# Model for PE

 10000     atoms
  9990     bonds
  9980     angles
  9970     dihedrals

     1     atom types
     1     bond types
     1     angle types
     1     dihedral types

0.0000   80.0586 xlo xhi
0.0000   80.0586 ylo yhi
0.0000   80.0586 zlo zhi

Masses

     1          14.02

Atoms

     1         1         1    8.6550   61.6668    5.4094
     2         1         1    8.6550   60.5849    6.4912
     3         1         1    7.5731   59.5030    6.4912
     4         1         1    6.4912   60.5849    6.4912
     5         1         1    6.4912   61.6668    7.5731
     6         1         1    5.4094   62.7487    7.5731
     7         1         1    4.3275   62.7487    6.4912
     8         1         1    3.2456   62.7487    7.5731
     9         1         1    2.1637   61.6668    7.5731
    10         1         1    1.0819   61.6668    8.6550
    11         1         1    0.0000   60.5849    8.6550
    12         1         1   78.9768   60.5849    7.5731
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