There was an error using dynamicOptions : got Undefined

[szwss]

{
    component: 'b-form-group',
    model: 'wss???',
    fieldOptions: {
        class: [
            'mb-2'
        ],
        label: '',
        'label-cols-md': 3,
        'label-align-md': 'right',
        'content-cols-md': 9
    },
    children: [
        {
            component: 'b-form-checkbox-group',
            model: 'DataBFormCheckboxGroup02',
            valueProp: 'checked',
            fieldOptions: {
                class: [
                    'col-form-label',
                    'font-weight-normal'
                ],
                attrs: { },
                props: {
                    options: [
                        {
                            text: 'item',
                            value: '01'
                        }
                    ]
                },
                on: [
                    'input'
                ]
            },
            children: [
            ]
        }
    ]
},

{
    component: 'div',
    model: 'DataBFormCheckboxGroup02',
    dynamicOptions: {
        schema: {
            type: 'object',
            properties: {
                DataBFormCheckboxGroup02: {
                    const: ['01']
                },
            },
            required: [
                'DataBFormCheckboxGroup02'
            ]
        },
        options: {
            fieldOptions: {
                class: [
                    'text-danger py-2 border'
                ]
            },
            children: [
                {
                    component: 'b-form-group',
                    model: 'wss???',
                    fieldOptions: {
                        class: [
                            'mb-2'
                        ],
                        label: 'label:',
                        'label-cols-md': 3,
                        'label-align-md': 'right',
                        'content-cols-md': 9
                    },
                    children: [
                        {
                            component: 'b-form-textarea',
                            model: 'dataTextarea02',
                            fieldOptions: {
                                on: [
                                    'input'
                                ],
                                props: {
                                    rows: 3,
                                    placeholder: 'input content...'
                                }
                            }
                        }
                    ]
                },
            ]
        },

    }
},

There was an error in console

[Vue warn]: Invalid prop: type check failed for prop "vfjsFieldId". Expected String with value "undefined", got Undefined 

found in

---> <VueFormJsonSchemaFieldComponent>... (1 recursive calls)
       <VueFormJsonSchema>
         <Forms> at  ...

But the data normal response, just the above error in the console, please ask me where to write something missing?

this is sandbox link:sandbox