# Order Update Callback Error Response Details The error details. Required for client-side `4XX` errors. ## Structure `OrderUpdateCallbackErrorResponseDetails` ## Fields | Name | Type | Tags | Description | Getter | Setter | | --- | --- | --- | --- | --- | --- | | `field` | `?string` | Optional | The field that caused the error. If this field is in the body, set this value to the field's JSON pointer value. Required for client-side errors.
**Constraints**: *Minimum Length*: `0`, *Maximum Length*: `256`, *Pattern*: `^.*$` | getField(): ?string | setField(?string field): void | | `value` | `?string` | Optional | The value of the field that caused the error.
**Constraints**: *Minimum Length*: `0`, *Maximum Length*: `1024`, *Pattern*: `^.*$` | getValue(): ?string | setValue(?string value): void | | `issue` | `string` | Required | The unique, fine-grained application-level error code.
**Constraints**: *Minimum Length*: `0`, *Maximum Length*: `256`, *Pattern*: `^.*$` | getIssue(): string | setIssue(string issue): void | ## Example (as JSON) ```json { "field": "field8", "value": "value6", "issue": "issue0" } ```