<div dir="ltr"><div>Dear users,</div><div>I am doing calculations of ZnO wurtzite structure, and varying ecutwfc and ecutrho to check the energy convergence test. But in most of the runs it ends with the following error</div><div><br></div><div> from bfgs : error # 1</div><div> bfgs history already reset at previous step</div><div><br></div><div>So its just a warning or there is some error in input or compilation?</div><div>I saw the previous threads and asked to reduce the "etot_conv_thr = 1.0d-5"</div><div>i did that to 1.5d-5 but still the error remains.</div><div>kindly help.</div>-- <br><div class="gmail_signature"><div dir="ltr"><div>Dr. Bipul Rakshit<br>Research Associate,<br>Institute of Physics (IOP),<br>Bhubaneswar- <span>751 005</span></div><div>Orissa <br></div><div>India</div></div></div>
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