<div class="iw_mail" dir="auto" style="font-size: 13px;"><div>Hi.</div><div>I experienced this issue for lower versions of QE too. So it was not a bug in QE-7.3.</div><div>I resolved the issue by slight modification of PP generation input file and with new PAW-PP I get forces at each iteration.</div><div>Thanks.</div><div><br></div><div>Mahmoud<br></div><div><br></div><div class=""><div><br></div></div><div><br></div><div class="iw-reply-block" dir="LTR" style="font-size: 13px;font-family:Roboto, Tahoma, Helvetica, sans-serif;line-height:normal;"><div style="margin:0;font-family:Roboto, Tahoma, Helvetica, sans-serif;font-size:13px;font-weight:300;line-height:150%;letter-spacing:normal;color:#333333;"><div style="display:none;margin:0;font-family:Roboto, Tahoma, Helvetica, sans-serif;font-size:13px;font-weight:300;line-height:150%;letter-spacing:normal;color:#333333;">----- Original Message -----</div><hr style="width:100%;padding:0;margin:10px 0;color:#888888;background-color:#888888;border-color:#DDDDDD;" width="100%" size="1">From: Mpayami via users (<a href="mailto:users@lists.quantum-espresso.org" style="font-family: Helvetica, sans-serif; font-size: 12px; font-weight: 300; line-height: 150%; color: rgb(0, 136, 204); text-decoration: none;">users@lists.quantum-espresso.org</a>)<br>Date: 30/10/1402 00:46<br>To: Quantum ESPRESSO users Forum (<a href="mailto:users@lists.quantum-espresso.org" style="font-family: Helvetica, sans-serif; font-size: 12px; font-weight: 300; line-height: 150%; color: rgb(0, 136, 204); text-decoration: none;">users@lists.quantum-espresso.org</a>)<br>Subject: <span style="font-family:Helvetica, sans-serif;font-size:12px;font-weight:300;line-height:150%;color:#333;text-decoration:none;font-weight:bold;">[QE-users] "CALL forces()" for PAW potential Does not work</span></div><br><div><div class="iw_mail" dir="auto" style="font-size: 13px;"><div>Dear Prof. Paolo Giannozzi,</div><div><br></div><div>Hi.</div><div>Kindly, when using USPPs then uncommenting "CALL forces()" line in QEROOT/PW/src/electrons.f90 calculates the forces at each iteration step.</div><div>However, when using PAW-PPs, it returns "**************************************" instead of numbers.</div><div>I would be grateful if you please help me to manage it.</div><div><br></div><div>Best regards,</div><div>Mahmoud Payami<div><br></div><div>NSTRI, AEOI</div><div>Tehran, Iran</div><div>Email: <a href="mailto:mpayami@aeoi.org.ir">mpayami@aeoi.org.ir</a></div><div>Phone: +98(0)2182066504</div><div>------------------------------------</div></div></div><hr>_______________________________________________<br>The Quantum ESPRESSO community stands by the Ukrainian<br>people and expresses its concerns about the devastating<br>effects that the Russian military offensive has on their<br>country and on the free and peaceful scientific, cultural,<br>and economic cooperation amongst peoples<br>_______________________________________________<br>Quantum ESPRESSO is supported by MaX (<a href="http://www.max-centre.eu">www.max-centre.eu</a>)<br>users mailing list <a href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a><br><a href="https://lists.quantum-espresso.org/mailman/listinfo/users">https://lists.quantum-espresso.org/mailman/listinfo/users</a></div></div></div>