* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

4주차 숙제 후 액스포 고 앱연결시 에러가 나서 튜터님이 도움 주셨는데요 ㅜㅜㅜ

연결이 잘되어서 성공한줄알았는데 꿀팁찜을 누르니까 또 에러가...

작성한 코드 및 에러 메세지

TypeError: null is not an object (evaluating 'tip.map')


This error is located at:
    in LikePage (created by SceneView)
    in StaticContainer
    in EnsureSingleNavigator (created by SceneView)
    in SceneView (created by CardContainer)
    in RCTView (created by View)
    in View (created by CardContainer)
    in RCTView (created by View)
    in View (created by CardContainer)
    in RCTView (created by View)
    in View
    in CardSheet (created by Card)
    in RCTView (created by View)
    in View (created by AnimatedComponent)
    in AnimatedComponent
    in AnimatedComponentWrapper (created by PanGestureHandler)
    in PanGestureHandler (created by PanGestureHandler)
    in PanGestureHandler (created by Card)
    in RCTView (created by View)
    in View (created by AnimatedComponent)
    in AnimatedComponent
    in AnimatedComponentWrapper (created by Card)
    in RCTView (created by View)
    in View (created by Card)
    in Card (created by CardContainer)
    in CardContainer (created by CardStack)
    in RNSScreen (created by AnimatedComponent)
    in AnimatedComponent
    in AnimatedComponentWrapper (created by InnerScreen)
    in Suspender (created by Freeze)
    in Suspense (created by Freeze)
    in Freeze (created by DelayedFreeze)
    in DelayedFreeze (created by InnerScreen)
    in InnerScreen (created by Screen)
    in Screen (created by MaybeScreen)
    in MaybeScreen (created by CardStack)
    in RNSScreenContainer (created by ScreenContainer)
    in ScreenContainer (created by MaybeScreenContainer)
    in MaybeScreenContainer (created by CardStack)
    in RCTView (created by View)
    in View (created by Background)
    in Background (created by CardStack)
    in CardStack (created by HeaderShownContext)
    in RNCSafeAreaProvider (created by SafeAreaProvider)
    in SafeAreaProvider (created by SafeAreaInsetsContext)
    in SafeAreaProviderCompat (created by StackView)
    in RNGestureHandlerRootView (created by GestureHandlerRootView)
    in GestureHandlerRootView (created by StackView)
    in StackView (created by StackNavigator)
    in PreventRemoveProvider (created by NavigationContent)
    in NavigationContent
    in Unknown (created by StackNavigator)
    in StackNavigator (created by StackNavigator)
    in StackNavigator (created by App)
    in EnsureSingleNavigator
    in BaseNavigationContainer
    in ThemeProvider
    in NavigationContainerInner (created by App)
    in App (created by withDevTools(App))
    in withDevTools(App)
    in RCTView (created by View)
    in View (created by AppContainer)
    in RCTView (created by View)
    in View (created by AppContainer)
    in AppContainer
    in main(RootComponent)
at node_modules\react-native\Libraries\Core\ExceptionsManager.js:null in reportException
at node_modules\react-native\Libraries\Core\ExceptionsManager.js:null in handleException
at node_modules\react-native\Libraries\Core\ReactFiberErrorDialog.js:null in showErrorDialog
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in logCapturedError
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in update.callback
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in callCallback
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in commitUpdateQueue
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in commitLayoutEffectOnFiber
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in commitLayoutMountEffects_complete
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in commitLayoutEffects_begin
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in commitLayoutEffects
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in commitRootImpl
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in commitRoot
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in performSyncWorkOnRoot
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in flushSyncCallbacks
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in flushSyncCallbacksOnlyInLegacyMode
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in scheduleUpdateOnFiber
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in dispatchSetState
at pages\LikePage.js:null in firebase_db.ref.once.then$argument_0
at node_modules\promise\setimmediate\core.js:null in tryCallOne
at node_modules\promise\setimmediate\core.js:null in setImmediate$argument_0
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in _allocateCallback$argument_0
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in _callTimer
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in _callReactNativeMicrotasksPass
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in callReactNativeMicrotasks
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in __callReactNativeMicrotasks
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in __guard$argument_0
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in __guard
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in flushedQueue


[Unhandled promise rejection: TypeError: null is not an object (evaluating 'tip.map')]
at pages\LikePage.js:null in LikePage
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in renderWithHooks
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in updateFunctionComponent
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in beginWork$1
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in performUnitOfWork
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in workLoopSync
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in renderRootSync
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in performSyncWorkOnRoot
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in flushSyncCallbacks
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in flushSyncCallbacksOnlyInLegacyMode
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in scheduleUpdateOnFiber
at node_modules\react-native\Libraries\Renderer\implementations\ReactNativeRenderer-dev.js:null in dispatchSetState
at pages\LikePage.js:null in firebase_db.ref.once.then$argument_0
at node_modules\promise\setimmediate\core.js:null in tryCallOne
at node_modules\promise\setimmediate\core.js:null in setImmediate$argument_0
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in _allocateCallback$argument_0
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in _callTimer
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in _callReactNativeMicrotasksPass
at node_modules\react-native\Libraries\Core\Timers\JSTimers.js:null in callReactNativeMicrotasks
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in __callReactNativeMicrotasks
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in __guard$argument_0
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in __guard
at node_modules\react-native\Libraries\BatchedBridge\MessageQueue.js:null in flushedQueue

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Tip 1) </> 아이콘을 눌러 코드박스를 만들어 보세요.

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