Exception in rendering!

Message: Cannot read property 'displayPromotion' of undefined

TypeError: Cannot read property 'displayPromotion' of undefined
    at ProductDetailsPage._this.getBanner (webpack:///./server-rendering-entry.js_+_619_modules?:34324:30)
    at ProductDetailsPage.render (webpack:///./server-rendering-entry.js_+_619_modules?:34369:27)
    at c (webpack:///./node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:35:231)
    at Ra (webpack:///./node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:36:1)
    at a.render (webpack:///./node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:41:467)
    at a.read (webpack:///./node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:41:58)
    at renderToString (webpack:///./node_modules/react-dom/cjs/react-dom-server.browser.production.min.js?:50:289)
    at ServerApp (webpack:///./server-rendering-entry.js_+_619_modules?:39369:56)
    at createReactElement (webpack:///./node_modules/react-on-rails/node_package/lib/createReactElement.js?:47:12)
    at serverRenderReactComponent (webpack:///./node_modules/react-on-rails/node_package/lib/serverRenderReactComponent.js?:40:70)