<div dir="ltr">Dear Quantum Espresso Users,<div> I am having a problem with bands.x when using lsym=.true. The error message is:</div><div><br></div><div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div>     Error in routine find_group (1):</div><div>     incompatible operations</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div><br></div><div>     stopping ...</div></div><div>If I don't use the lsym=.true., then there are too many band cross overs in the band structure plotted with plotbands.x. Now what can I do to solve this problem ??</div><div><br></div><div>Thank you</div><div><br></div><div>Khalid Ibne Masood</div><div>M.Sc student</div><div>Bangladesh University of Engineering and Technology (BUET)</div></div>