Exception in rendering!

Message: Minified React error #65; visit https://reactjs.org/docs/error-decoder.html?invariant=65&args[]=%2Fwebpack%2Fproduction%2Fstatic%2F30b2cc2635f5bc890dff.png for the full message or use the non-minified dev environment for full errors and additional helpful warnings.

Error: Minified React error #65; visit https://reactjs.org/docs/error-decoder.html?invariant=65&args[]=%2Fwebpack%2Fproduction%2Fstatic%2F30b2cc2635f5bc890dff.png for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at a.b.renderDOM (webpack://printivity/./node_modules/react-dom/cjs/react-dom-server.node.production.min.js?:48:196)
    at a.b.render (webpack://printivity/./node_modules/react-dom/cjs/react-dom-server.node.production.min.js?:45:326)
    at a.b.read (webpack://printivity/./node_modules/react-dom/cjs/react-dom-server.node.production.min.js?:44:18)
    at renderToString (webpack://printivity/./node_modules/react-dom/cjs/react-dom-server.node.production.min.js?:54:364)
    at extractTags (webpack://printivity/./client/app/packs/server-bundle.js_+_531_modules?:20735:246)
    at App (webpack://printivity/./client/app/packs/server-bundle.js_+_531_modules?:20741:90)
    at Object.createReactOutput [as default] (webpack://printivity/./node_modules/react-on-rails/node_package/lib/createReactOutput.js?:39:36)
    at Object.serverRenderReactComponent [as default] (webpack://printivity/./node_modules/react-on-rails/node_package/lib/serverRenderReactComponent.js?:22:69)
    at Object.serverRenderReactComponent (webpack://printivity/./node_modules/react-on-rails/node_package/lib/ReactOnRails.js?:193:52)
    at evalmachine.<anonymous>:7:31