Exception in rendering!

Message: Cannot read property 'children' of undefined

TypeError: Cannot read property 'children' of undefined
    at t.parseHtml (<eval>:52:8971)
    at t.default (<eval>:89:7496)
    at r (<eval>:146:8083)
    at W (<eval>:146:9059)
    at e.render (<eval>:146:10671)
    at e.read (<eval>:146:10409)
    at Object.Q.renderToString (<eval>:146:14765)
    at t.default (<eval>:146:24076)
    at Object.v.ReactOnRails.serverRenderReactComponent (<eval>:52:167480)
    at <eval>:11:23