# AssetFieldError > Type in domain **Assets** - HTML: [AssetFieldError.html](AssetFieldError.html) - Raw SDL: [AssetFieldError.sdl](AssetFieldError.sdl) - Covered by: [llms.txt](../llms.txt) ## Fields - `field`: `AssetUpdateFieldName!` _(beta)_ — The input field that did not apply. - `id`: `ID` _(beta)_ — Opaque id of the referenced property, license, or collection. Set only for `CUSTOM_METADATA`, `ADD_LICENSES`, and `ADD_COLLECTIONS` field errors; `null` otherwise. - `code`: `AssetUpdateFieldErrorCode!` _(beta)_ — Why the field did not apply.