ERR_DERIV_REDEFINITION

Code: 4023 (4023)

As HRESULT:

S: 0 (Success)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x000 (FACILITY_NULL: Default)
Code: 0x0fb7 (4023)

As NTSTATUS:

Sev: 0 (STATUS_SEVERITY_SUCCESS)
C: 0 (Microsoft-defined)
Facility: 0x000 (Default)
Code: 0x0fb7 (4023)

Documented in Win32

HLSL errors and warnings (comperrors.h): 4023

A redefinition of a derivative occurred, and derivatives can only be assigned once.