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Hello experts, </div>
<div class="elementToProof" style="color: rgb(0, 0, 0);"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">This is regarding Chern Number calculation of a material. As mentioned in the
article "</span><span style="font-family: "Lucida Grande", Helvetica, Arial, sans-serif; font-size: 11.6964px; background-color: rgb(255, 255, 255);"><a href="https://doi.org/10.48550/arXiv.2303.16306" id="OWA0f6eb07c-6938-0cf9-06da-4d29859a06fb" class="OWAAutoLink" style="text-decoration: none; margin: 0px; background-color: rgb(255, 255, 255); text-align: left;">https://doi.org/10.48550/arXiv.2303.16306</a></span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">"
I have done the procedures smoothly for calculating wcc but whenever I try to calculate the Chern Number using Chern.py script I got the following error message: </span></div>
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Traceback (most recent call last):<br>
File "/home/bisharma/WIEN2k/InP/<wbr style="color: inherit; background-color: inherit;">CherN.py", line 120, in <module><br>
raise ValueError(f'The values for i_band, s_band, n_1 and n_2 should be positive.')<br>
ValueError: The values for i_band, s_band, n_1 and n_2 should be positive.</div>
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Though I have tried with changing the i_band and f_band and discritization, but I got the same error message. </div>
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Looking forward for possible solutions. </div>
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Thank You </div>
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