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<p style="margin-top:0;margin-bottom:0">Dear All,</p>
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<p style="margin-top:0;margin-bottom:0">I 'm getting an error:</p>
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<div>Your cell might be very long, or you may have an irregular MP grid</div>
<div>Try increasing the parameter search_shells in the win file (default=12)</div>
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<p style="margin-top:0;margin-bottom:0">When I do increase the value of the search_shells, it continous to give me the same error till I increase the value till 57 and at 58 it gives me an error as:</p>
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<p style="margin-top:0;margin-bottom:0"><span> kmesh_get: something wrong, found too many nearest neighbours</span><br>
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<p style="margin-top:0;margin-bottom:0">The system I 'm working on is a bi-layer graphene, with a vacuum of 10 Angstrom on both top and bottom, which makes my unit cell quite large in z-direction. I also tried changing the k-point mesh form 15 X 15 X 1 to 10
X 10 X2, without any change.</p>
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<p style="margin-top:0;margin-bottom:0">I have attached my Quantum ESPRESSO inputs, wannier90 input and wannier90 output.</p>
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<p style="margin-top:0;margin-bottom:0">Regards,</p>
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<div>Ghadiyali Mohammed Kader<br>
Research Scholar<br>
Department of Physics<br>
University of Mumbai</div>
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