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<p>dear justin</p>
<p>I use amber force field in gromacs.can this subject make such error :</p></div>
<div>Atom index (1) in settles out of bounds (1-0).<br>This probably means that you have inserted topology section "settles" in a part belonging to a different molecule than you intended to.<br>In that case move the "settles" section to the right molecule.<br>
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