WARNING: Sub-Space-Matrix is not hermitian in DAV in VASP

If you encounter this warning message

WARNING: Sub-Space-Matrix is not hermitian in DAV           16
 WARNING: Sub-Space-Matrix is not hermitian in DAV           16
 WARNING: Sub-Space-Matrix is not hermitian in DAV           14
 -3.350041184628083E-004
 WARNING: Sub-Space-Matrix is not hermitian in DAV           16
 -2.280639085807041E-004
 WARNING: Sub-Space-Matrix is not hermitian in DAV           16
 -2.280639085807041E-004
 -2.280639085807041E-004
 -2.280639085807041E-004
 WARNING: Sub-Space-Matrix is not hermitian in DAV           16
 -2.280639085807041E-004
 -2.280639085807041E-004
 -2.693259676600129E-004
 WARNING: Sub-Space-Matrix is not hermitian in DAV           11
  2.490890069212505E-004
 WARNING: Sub-Space-Matrix is not hermitian in DAV           12
 -2.224341915660610E-004
 WARNING: Sub-Space-Matrix is not hermitian in DAV           13
 -2.102364859541623E-004
 WARNING: Sub-Space-Matrix is not hermitian in DAV           14
.
.
.
.
.
.

It can be solved by replacing ALGO and IALGO tags.

For example,

ALGO=Normal -> ALGO=VeryFast
IALGO=38 -> IALGO=48



Thanks,

JF


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