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vue.esm.js?a026:628 [Vue warn]: Error in v-on handler: "TypeError: Cannot read property 'target' of undefined"

found in

---> <ASelect>
       <ACol>
         <ARow>
           <AFormItem>
             <KFormItem>
               <BuildBlocks>
                 <AForm>
                   <ALocaleProvider>
                     <LocaleReceiver>
                       <AConfigProvider>
                         <KFormBuild>
                           <PermissionForm>
                             <Anonymous>
                               <Anonymous>
                                 <Portal>
                                   <PortalWrapper>
                                     <Anonymous>
                                       <AModal>

TypeError: Cannot read property 'target' of undefined
    at VueComponent.handleChange (k-form-design.umd.min.js?568e:308)
    at Object.change (k-form-design.umd.min.js?568e:308)
    at Object.keys.forEach.u.<computed> (k-form-design.umd.min.js?568e:308)
    at invokeWithErrorHandling (vue.esm.js?a026:1863)
    at VueComponent.invoker (vue.esm.js?a026:2188)
    at invokeWithErrorHandling (vue.esm.js?a026:1863)
    at VueComponent.Vue.$emit (vue.esm.js?a026:3897)
    at VueComponent.fireChange (k-form-design.umd.min.js?568e:308)
    at VueComponent.onClearSelection (k-form-design.umd.min.js?568e:308)
    at eval (k-form-design.umd.min.js?568e:185)