Lig .itp error

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1

GROMACS version: 2019
GROMACS modification: Yes/No
ERROR 1 [file lig.itp, line 363]:
No default Proper Dih. types
I am using Charmm36-mar 2019 ff for protein ligand complex, cgenff server used to generate the ligand topology. while generate ions.tpr i got the following error. how to solve this

ERROR 2 [file lig.itp, line 370]:
No default Proper Dih. types

ERROR 3 [file lig.itp, line 390]:
No default Proper Dih. types

ERROR 4 [file lig.itp, line 414]:
No default Proper Dih. types

ERROR 5 [file lig.itp, line 494]:
No default Proper Dih. types

Excluding 3 bonded neighbours molecule type ‘Protein_chain_P’
Excluding 3 bonded neighbours molecule type ‘lig’
Excluding 2 bonded neighbours molecule type ‘SOL’

2

Please do not use the March 2019 version of the force field port; it is out of sync with the current CGenFF server. Use the July 2022 version of the port, and if you are provided with an auxiliary .prm file, it contains parameters you need to #include in the system topology.

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