<div dir="ltr"><div><div><div>Dear all<br></div>I am running optimization with wien2k 12 version. I am facing the following error<br></div><br><br><pre>ERROR status in OPTF123_vol__-5.0
> stop error
NN - Error
LAPW0 Kindlyhelp me to solve this propblem.<br></pre><br></div>Kind Regards<br></div>