Exception in rendering!

Message: Cannot read property 'user' of null

TypeError: Cannot read property 'user' of null
    at PCUserDetailPage.render (<anonymous>:80403:33)
    at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (<anonymous>:128423:30)
    at ReactCompositeComponentWrapper._renderValidatedComponent (<anonymous>:128446:32)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:127986:30)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:127882:21)
    at Object.mountComponent (<anonymous>:11070:35)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:127995:34)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:127882:21)
    at Object.mountComponent (<anonymous>:11070:35)
    at ReactDOMComponent.mountChildren (<anonymous>:131395:44)