Unfortunately this did not help. Do you have any other ideas?
I am going to move this to the MKL Forum. I am assuming you are using the MKL FEAST eigensolver and not an open source version.
If you have active support you can open an issue in Online Service Center with the MKL team.
the same thread as https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/Floating-divide-by-zero-error-in-dfe...
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