type: object
properties:
    error:
        type: string
        example: 'Unprocessable Entity'
    message:
        type: string
        example: 'Invalid request'
    details:
        type: array
        items:
            type: object
            properties:
                field:
                    type: string
                    example: '{{field}}'
                message:
                    type: string
                    example: 'Expected {{type}} but got {{value}}'