error in fix atc

Dear lammps users,

I am getting the following error in fix atc

1.Invalid fix style (…/modify.cpp:731)

2.Could not find fix_modify ID (…/modify.cpp:799)

syntax

1.fix AtC internal atc two_temperature Cu_ttm.mat

2.fix_modify AtC mesh create 1 1 80 FE p p f

what is correct fix ID ,if anybady knows please help me

thank you

Dear lammps users,

   I am getting the following error in fix atc

1.Invalid fix style (../modify.cpp:731)

  2.Could not find fix_modify ID (../modify.cpp:799)

syntax
1.fix AtC internal atc two_temperature Cu_ttm.mat

2.fix_modify AtC mesh create 1 1 80 FE p p f

what is correct fix ID ,if anybady knows please help me

before asking about error messages, first *always* look for help here.

http://lammps.sandia.gov/doc/Section_errors.html