Exception in rendering!

Message: Cannot read property 'reviews' of undefined

TypeError: Cannot read property 'reviews' of undefined
    at <anonymous>:37:239949
    at Object.children (<anonymous>:37:17708)
    at e.t.render (<anonymous>:37:1086399)
    at e.t.read (<anonymous>:37:1084814)
    at Object.renderToString (<anonymous>:37:1090029)
    at d (<anonymous>:37:1431631)
    at t.default (<anonymous>:37:691564)
    at t.default (<anonymous>:37:1095915)
    at Object.serverRenderReactComponent (<anonymous>:37:711246)
    at <anonymous>:6:31