Exception in rendering!

Message: Cannot read property 'user' of null

TypeError: Cannot read property 'user' of null
    at PCUserDetailPage.render (<anonymous>:79956:33)
    at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (<anonymous>:127295:30)
    at ReactCompositeComponentWrapper._renderValidatedComponent (<anonymous>:127318:32)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:126858:30)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:126754:21)
    at Object.mountComponent (<anonymous>:11224:35)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:126867:34)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:126754:21)
    at Object.mountComponent (<anonymous>:11224:35)
    at ReactDOMComponent.mountChildren (<anonymous>:130267:44)