[lammps-users] Error : in pair coefficents

Hi all,
I am getting an error in setting the pair_coeff. Please someone help.
I have 4 types of atoms (1,2,3,4).
I want all interactions to be eam (cu_u3.eam) EXCEPT interaction between 2 & 3 to be ‘lj/cut’.
I am getting an error like: