以下是报错的具体信息：
Fatal error:
Residue 8 named ARG of a molecule in the input file was mapped
to an entry in the topology database, but the atom - used in
that entry is not found in the input file. Perhaps your atom
and/or residue naming needs to be fixed.
For more information and tips for troubleshooting, please check the GROMACS
website at http://www.gromacs.org/Documentation/Errors
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我仔细检查了pdb和rtp文件，并未发现有原子名称错误的问题。以下是涉及到的初始小肽的pdb文件和处理之后的非标准残基的rtp文件
恳请各位指导!