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<p><span style="font-size: 14pt; font-family: 'times new roman', times, serif;">Dear all,</span></p>
<p><span style="font-size: 14pt; font-family: 'times new roman', times, serif;">I would like to kindly ask if it is possible to solve a problem that arose when modeling in QE-6-3 one of the modifications of graphene. When running the program pp.x I received an error message: Message from routine chdens: namelist plot not found or invalid, exiting. The texts of the input and output files using the pp.x program are presented in the appendix.</span></p>
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<p><span style="font-size: 14pt; font-family: 'times new roman', times, serif;">Best regards, </span><br /><span style="font-size: 14pt; font-family: 'times new roman', times, serif;">Mishchenka Valery.</span></p>
<p><span style="font-size: 14pt; font-family: 'times new roman', times, serif;">Assistant professor</span><br /><span style="font-size: 14pt; font-family: 'times new roman', times, serif;">Belarusian State University of Informatics and Radioelectronics</span></p>
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