ERR_DEBUG_NOT_SUPPORTED_FOR_MODERN

Code: 3709 (3709)

As HRESULT:

S: 0 (Success)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x000 (FACILITY_NULL: Default)
Code: 0x0e7d (3709)

As NTSTATUS:

Sev: 0 (STATUS_SEVERITY_SUCCESS)
C: 0 (Microsoft-defined)
Facility: 0x000 (Default)
Code: 0x0e7d (3709)

Documented in Win32

HLSL errors and warnings (comperrors.h): 3709

Debug isn't supported.