<div dir="ltr"><p>Dear QE Developers,</p><p>I hope this message finds you well. I am currently using the <code>projwfc.x</code> tool in Quantum ESPRESSO version 7.3.1 and encountered the following error:</p><pre class="gmail-!overflow-visible"><div class="gmail-dark gmail-bg-gray-950 gmail-contain-inline-size gmail-rounded-md gmail-border-[0.5px] gmail-border-token-border-medium gmail-relative"><div class="gmail-flex gmail-items-center gmail-text-token-text-secondary gmail-bg-token-main-surface-secondary gmail-px-4 gmail-py-2 gmail-text-xs gmail-font-sans gmail-justify-between gmail-rounded-t-md gmail-h-9"><span style="font-family:Arial,Helvetica,sans-serif">Error in routine </span><span class="gmail-hljs-title" style="font-family:Arial,Helvetica,sans-serif">d_matrix_so</span><span style="font-family:Arial,Helvetica,sans-serif"> </span><span class="gmail-hljs-params" style="font-family:Arial,Helvetica,sans-serif">(<span class="gmail-hljs-number">1</span>)</span><span style="font-family:Arial,Helvetica,sans-serif">:</span></div><div class="gmail-overflow-y-auto gmail-p-4" dir="ltr"><code class="gmail-!whitespace-pre gmail-hljs gmail-language-arduino"><span class="gmail-hljs-function">D_S (j=</span><span class="gmail-hljs-number">1</span>/<span class="gmail-hljs-number">2</span>) <span class="gmail-hljs-keyword">for</span> <span class="gmail-hljs-keyword">this</span> symmetry operation is <span class="gmail-hljs-keyword">not</span> unitary
</code></div></div></pre><p>I would like to know if this issue is a known bug or if it may be related to my input parameters. I attached the inputs I'm using</p><p>I would greatly appreciate any guidance you can provide regarding this issue. Thank you for your assistance!</p><p><br></p><p>~Alex C, Ph.D.</p><p>California State University</p></div>