Fatal errors : There were 815 errors in input file(s)

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GROMACS modification: Yes/No
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NOTE 1 [file ions.mdp]:
With Verlet lists the optimal nstlist is >= 10, with GPUs >= 20. Note
that with the Verlet scheme, nstlist has no effect on the accuracy of
your simulation.

Setting the LD random seed to -1921589251

ERROR 1 [file unk1.prm, line 1]:
Incorrect number of atomtypes for dihedral (4 instead of 2 or 4)

ERROR 2 [file unk1.prm, line 3]:
Incorrect number of atomtypes for dihedral (0 instead of 2 or 4)

ERROR 3 [file unk1.prm, line 4]:
Incorrect number of atomtypes for dihedral (3 instead of 2 or 4)
how to solve this issue???