<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:8pt"><div>Dear users </div><div>During minimization of forces for graphene structure I got the following error </div><div>Please help me how to deal with this?</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 10.399999618530273px; font-family: verdana, helvetica, sans-serif; background-color: transparent; font-style: normal;">regards</div><div><br></div><div style="background-color: transparent;">Error in LAPW1</div><div style="background-color: transparent;">r in LAPW1</div><div style="background-color: transparent;"> Cholesky INFO = 1935</div><div style="background-color: transparent;"> 'SECLR4' - POTRF (Scalapack/LAPACK) failed.</div><div style="background-color: transparent;"><br></div><div style="background-color: transparent;"> Cholesky INFO =
1935</div><div style="background-color: transparent;"> 'SECLR4' - POTRF (Scalapack/LAPACK) failed.</div></div></body></html>