MEAM Library error during a run

Dear Lammps users,

I am trying to use meam potential for validation of the HEA system, but it is not working and showing the error.
ERROR: MEAM library error 3 (…/pair_meamc.cpp:594)
Last command: pair_coeff * * library.meam Fe CoNiCrFeMn.meam Fe

My question is, how one can solve this issue? Please explain this, It would be a great help.
Thank you.

I have given an explanation in the respond in my other e-mail. please also re-read the LAMMPS manual.