 running on    1 total cores
 distrk:  each k-point on    1 cores,    1 groups
 distr:  one band on    1 cores,    1 groups
 using from now: INCAR
 vasp.5.4.4.18Apr17-6-g9f103f2a35 (build Aug  3 2020 11:46:08) complex
 POSCAR found :  1 types and       2 ions
 scaLAPACK will be used
 LDA part: xc-table for Pade appr. of Perdew


 VERY BAD NEWS! internal error in subroutine IBZKPT:
 Tetrahedron method fails for NKPT<4. NKPT =       1
