D3D11_ERROR_DEFERRED_CONTEXT_MAP_WITHOUT_INITIAL_DISCARD

The application's first call per command list to Map on a deferred context did not use D3D11_MAP_WRITE_DISCARD.

Matched as: the code as given (hex)

HRESULT breakdown: code: 4, customer: False, facility: 124, severity: failure (bit 31 set), ntstatus_wrapped: False

Source: COM Error Codes (UI, Audio, DirectX, Codec) (Winerror.h) · CC BY 4.0 · wording unchanged, formatting adapted for this site · retrieved 2026-10-24