<span style="color: rgb(95, 99, 104); font-family: "Sans Serif"; font-size: 12px; letter-spacing: 0.3px;">Hi CP2K forum,</span><br /><div><font color="#5f6368" face="Sans Serif"><span style="font-size: 12px; letter-spacing: 0.3px;">I'm trying to optimize a composite with CELLOPT and I'm getting the following error " </span></font>Cholesky decomposition failed. Matrix ill conditioned ?" can anyone help me out here ?.. I'm enclosing input and output here </div><div><br /></div><div>                                                           thanks in advance </div><div> </div><div>                                                    </div>

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