Hi. I'm new in quantum espresso and Burai software. For the calculations for scf, DOS, optimization and md there is only the note "Note: The floating-point exceptions are signaling: IEEE denormal". But, performing the band calculations I get the following error:

This was appearing to me before in all calculations, but after reinstall qe this stopped except for band calculations. Can anyone explain what I'm doing wrong?
When I click on crash button appears:
%%%%%%%%%%%%%%%%%%%%
task# 0
from latgen: error # 1
wrong celldm(1)
%%%%%%%%%%%%%%%%%%%%
(I'm using the .cif for Si8 of the example)
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