Exception in rendering!

Message: Cannot read property 'url' of undefined

TypeError: Cannot read property 'url' of undefined
    at SidebarUserInfo (<anonymous>:49163:22)
    at c (<anonymous>:42868:501)
    at Ra (<anonymous>:42871:1)
    at a.render (<anonymous>:42876:467)
    at a.read (<anonymous>:42876:58)
    at Object.renderToString (<anonymous>:42885:289)
    at serverRenderReactComponent (<anonymous>:43866:36)
    at Object.serverRenderReactComponent (<anonymous>:11382:53)
    at <anonymous>:11:23
    at <anonymous>:18:3