<div><div><div>Hello,</div><div> </div><div>I'm computing a U value using HP code for ferromagnetic insulator. After 2 SCF procedures, I'm running HP code, there are 6 q points. When half of the job is done (3 q points), I got this error:</div><div>.....</div><div>highest occupied, lowest unoccupied level (ev):     8.9241    9.4470</div><div> </div><div>     Writing all to output data dir ./tmp/HP/PLASTIC.save/</div><div>     Done!</div><div> </div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div>     Error in routine d_matrix (2):</div><div>     D_S (l=3) for this symmetry operation is not orthogonal</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div> </div><div>     stopping ...</div><div> </div><div>Is it something easy to fix?</div><div> </div><div>Thank you,</div><div> Sergey</div><div>USF</div></div></div>