Exception in rendering!

Message: Cannot read property 'id' of null

TypeError: Cannot read property 'id' of null
    at <anonymous>:9418:60
    at <anonymous>:9422:16
    at RelatedContentsList.render (<anonymous>:9425:10)
    at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (<anonymous>:128416:30)
    at ReactCompositeComponentWrapper._renderValidatedComponent (<anonymous>:128439:32)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:127979:30)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:127875:21)
    at Object.mountComponent (<anonymous>:11070:35)
    at ReactDOMComponent.mountChildren (<anonymous>:131388:44)
    at ReactDOMComponent._createContentMarkup (<anonymous>:129294:32)