Incorrect args for pair coefficients

Hello,

When I am running my program I am getting the following error. Kindly help me in fixing my error. The part of the program is also given below. Thanks in advance.

units metal
dimension 3
boundary p p m
atom_style full
neighbor 0.3 bin
neigh_modify delay 5

create geometry

read_data data.DWCNT
bond_style morse
bond_coeff 1 4.96345 1.418 2.1867
lattice diamond 3.57
region diamondBox block -50.000000 50.000000 -50.000000 50.000000 -5.000000 31.0000000 units box
create_atoms 1 region diamondBox
group matrix region diamondBox

mass * 12.0107

LJ potentials

pair_style hybrid tersoff airebo/morse 3.0 1 1 lj/cut 9.2
pair_coeff * * airebo/morse CH.airebo-m C NULL
pair_coeff * * tersoff SiC.tersoff NULL C
#pair_coeff * * ffield.reax C C
pair_coeff 1 2 lj/cut 0.006578 3.0825 9.2

ERROR: Incorrect args for pair coefficients (src/MANYBODY/pair_airebo.cpp:187)

Last command: pair_coeff * * airebo/morse CH.airebo-m C NULL

Please consult the documentation and use a search engine like Google. Axel