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When I use vasp to calculate the DOS of the system, the error"Program received signal SIGSEGV: Segmentation fault - invalid memory reference." appears. And my INCAR is as followed:

SYSTEM=SrZrO3
ISTART=1
ICHARG=11
ENCUT=650 eV
ISMEAR=-5
RWIGS=2.138 1.625 0.820
PREC=Accurate
NPAR=1

What's the matter?

your question cannot be answered based on the information you provide,
probably you increased the k-mesh too much