Exception in rendering!

Message: Could not find component registered with name User. Registered component names include [ App, OffersLearn ]. Maybe you forgot to register the component?

Error: Could not find component registered with name User. Registered component names include [ App, OffersLearn ]. Maybe you forgot to register the component?
    at Object.get (<eval>:28312:14)
    at Object.getComponent (<eval>:8329:41)
    at createReactElement (<eval>:27137:46)
    at serverRenderReactComponent (<eval>:29563:72)
    at Object.serverRenderReactComponent (<eval>:8338:54)
    at <eval>:5:23
    at <eval>:12:3