Migration go-live error

{
    "$schema": "http://json-schema.org/draft-07/schema",
    "$id": "https://pismo.io/events/migration/go_live_outgoing-1.json",
    "type": "object",
    "title": "Migration go-live error",
    "description": "Event generated when a go-live process is triggered but errors before dispatching the go-live for the desired accounts or cards.",
    "examples": [
        {
            "status": "FAIL",
            "code": "MIGR-0400",
            "message": "Field migration.phase_id is required for the go-live process",
            "migration": {
                "id": "migration-id",
                "version_date": "2021-08-11T11:25:00.000Z"
            }
        }
    ],
    "required": [
        "code",
        "message",
        "migration",
        "status"
    ],
    "properties": {
        "code": {
            "$id": "#/properties/code",
            "type": "string",
            "title": "Migration error code",
            "description": "The code of message for systems",
            "default": "",
            "examples": [
                "MIGR-0400"
            ]
        },
        "message": {
            "$id": "#/properties/message",
            "type": "string",
            "title": "The message schema",
            "description": "Freeform description of the error",
            "default": "",
            "examples": [
                "Field migration.phase_id is required for the go-live process",
                "Error retrieving accounts for go-live"
            ]
        },
        "migration": {
            "$id": "#/properties/migration",
            "type": "object",
            "title": "Migration Identifiers Object",
            "description": "Identifier sent on start of migration process",
            "default": {},
            "examples": [
                {
                    "id": "migration-id",
                    "version_date": "2021-08-11T11:25:00.000Z"
                }
            ],
            "required": [
                "id",
                "version_date"
            ],
            "properties": {
                "id": {
                    "$id": "#/properties/migration/properties/id",
                    "type": "string",
                    "title": "Migration Identifier",
                    "examples": [
                        "migration-id"
                    ]
                },
                "version_date": {
                    "$id": "#/properties/migration/properties/version_date",
                    "type": "string",
                    "title": "Version Date of Migration Identifier",
                    "examples": [
                        "2021-08-11T11:25:00.000Z"
                    ]
                }
            },
            "additionalProperties": false
        },
        "status": {
            "$id": "#/properties/status",
            "type": "string",
            "title": "Migration status",
            "description": "If the migration result was a success or not",
            "enum": [
                "SUCCESS",
                "FAIL"
            ],
            "examples": [
                "SUCCESS",
                "FAIL"
            ]
        }
    },
    "additionalProperties": true
}

{
    "status": "FAIL",
    "code": "MIGR-0400",
    "message": "Field migration.phase_id is required for the go-live process",
    "migration": {
        "id": "migration-id",
        "version_date": "2021-08-11T11:25:00.000Z"
    }
}