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Thank you for helping me! My current version is QE 6.3, so I asked to my cluster admin to install newest version.
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> users <users-bounces@lists.quantum-espresso.org> on behalf of Paolo Giannozzi <p.giannozzi@gmail.com><br>
<b>Sent:</b> Friday, May 31, 2019 3:51:44 PM<br>
<b>To:</b> Quantum ESPRESSO users Forum<br>
<b>Subject:</b> Re: [QE-users] unknown cell_dofree ibrav error while vc-relax</font>
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<div dir="ltr">On Fri, May 31, 2019 at 9:28 PM Yeon, Jejoon <<a href="mailto:jyeon@udel.edu">jyeon@udel.edu</a>> wrote:<br>
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<div> from init_dofree : error # 1</div>
<div> unknown cell_dofree ibrav</div>
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<div>go into Modules/cell_base.f90, search for subroutine init_dofree. At the very beginning:</div>
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<div> SELECT CASE ( TRIM( cell_dofree ) )<br>
CASE ( 'all', 'default' )<br>
iforceh = 1<br>
CASE ( 'ibrav')<br>
iforceh = 1<br>
enforce_ibrav = .true.</div>
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If you do not see those lines, you are running an old version.<br>
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<div>Paolo<br clear="all">
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<div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br>
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br>
Phone +39-0432-558216, fax +39-0432-558222<br>
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