[gmx-users] pdb2gmx error

[ABEL Stephane 175950]

Hello, 

When i use pdb2gmx (v.504) and 12 AA long peptide with the Amber99SB-ILDN force field, I have the error : 
Fatal error:
tpA = 53191, i= 0 in print_atoms

I have no idea what does this message mean. Could you help me? 

Thanks