Exception in rendering!

Message: Cannot read property 'user' of null

TypeError: Cannot read property 'user' of null
    at PCUserDetailPage.render (<anonymous>:79961:33)
    at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (<anonymous>:127373:30)
    at ReactCompositeComponentWrapper._renderValidatedComponent (<anonymous>:127396:32)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:126936:30)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:126832:21)
    at Object.mountComponent (<anonymous>:11224:35)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:126945:34)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:126832:21)
    at Object.mountComponent (<anonymous>:11224:35)
    at ReactDOMComponent.mountChildren (<anonymous>:130345:44)