diff --git a/data/src/main/java/com/nexters/boolti/data/datasource/UserDataSource.kt b/data/src/main/java/com/nexters/boolti/data/datasource/UserDataSource.kt
index 4073dcd9..38df5dd5 100644
--- a/data/src/main/java/com/nexters/boolti/data/datasource/UserDataSource.kt
+++ b/data/src/main/java/com/nexters/boolti/data/datasource/UserDataSource.kt
@@ -8,6 +8,10 @@ import javax.inject.Inject
 internal class UserDataSource @Inject constructor(
     private val userService: UserService,
 ) {
-    suspend fun getUser(): UserResponse = userService.getUser()
+    suspend fun getUser(): UserResponse? {
+        val response = userService.getUser()
+        return if (response.isSuccessful) response.body() else null
+    }
+
     suspend fun signout(request: SignoutRequest) = userService.signout(request)
 }
diff --git a/data/src/main/java/com/nexters/boolti/data/network/api/UserService.kt b/data/src/main/java/com/nexters/boolti/data/network/api/UserService.kt
index 8cfc7032..018b562d 100644
--- a/data/src/main/java/com/nexters/boolti/data/network/api/UserService.kt
+++ b/data/src/main/java/com/nexters/boolti/data/network/api/UserService.kt
@@ -2,13 +2,14 @@ package com.nexters.boolti.data.network.api
 
 import com.nexters.boolti.data.network.response.UserResponse
 import com.nexters.boolti.domain.request.SignoutRequest
+import retrofit2.Response
 import retrofit2.http.Body
 import retrofit2.http.GET
 import retrofit2.http.HTTP
 
 internal interface UserService {
     @GET("/app/api/v1/user")
-    suspend fun getUser(): UserResponse
+    suspend fun getUser(): Response<UserResponse>
 
     @HTTP(method = "DELETE", path = "/app/api/v1/user", hasBody = true)
     suspend fun signout(
diff --git a/data/src/main/java/com/nexters/boolti/data/repository/AuthRepositoryImpl.kt b/data/src/main/java/com/nexters/boolti/data/repository/AuthRepositoryImpl.kt
index 530767db..f1273a2b 100644
--- a/data/src/main/java/com/nexters/boolti/data/repository/AuthRepositoryImpl.kt
+++ b/data/src/main/java/com/nexters/boolti/data/repository/AuthRepositoryImpl.kt
@@ -54,10 +54,13 @@ internal class AuthRepositoryImpl @Inject constructor(
         authDataSource.localLogout()
     }
 
-    override fun getUserAndCache(): Flow<User> = flow {
+    override fun getUserAndCache(): Flow<User?> = flow {
         val response = userDateSource.getUser()
-        authDataSource.updateUser(response)
-        emit(response.toDomain())
+        response?.let {
+            authDataSource.updateUser(it)
+        }
+
+        emit(response?.toDomain())
     }
 
     override suspend fun sendFcmToken(): Result<Unit> = deviceTokenDataSource.sendFcmToken()
diff --git a/domain/src/main/java/com/nexters/boolti/domain/repository/AuthRepository.kt b/domain/src/main/java/com/nexters/boolti/domain/repository/AuthRepository.kt
index cd827031..a65d0731 100644
--- a/domain/src/main/java/com/nexters/boolti/domain/repository/AuthRepository.kt
+++ b/domain/src/main/java/com/nexters/boolti/domain/repository/AuthRepository.kt
@@ -20,7 +20,7 @@ interface AuthRepository {
     suspend fun logout(): Result<Unit>
     suspend fun signUp(signUpRequest: SignUpRequest): Result<Unit>
     suspend fun signout(request: SignoutRequest): Result<Unit>
-    fun getUserAndCache(): Flow<User>
+    fun getUserAndCache(): Flow<User?>
     suspend fun sendFcmToken(): Result<Unit>
 
     val loggedIn: Flow<Boolean>
diff --git a/domain/src/main/java/com/nexters/boolti/domain/usecase/GetUserUsecase.kt b/domain/src/main/java/com/nexters/boolti/domain/usecase/GetUserUsecase.kt
index 768ea186..fe41e444 100644
--- a/domain/src/main/java/com/nexters/boolti/domain/usecase/GetUserUsecase.kt
+++ b/domain/src/main/java/com/nexters/boolti/domain/usecase/GetUserUsecase.kt
@@ -9,5 +9,5 @@ import javax.inject.Inject
 class GetUserUsecase @Inject constructor(
     private val authRepository: AuthRepository,
 ) {
-    operator fun invoke(): User = runBlocking { authRepository.getUserAndCache().first() }
+    operator fun invoke(): User? = runBlocking { authRepository.getUserAndCache().first() }
 }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/gift/GiftViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/gift/GiftViewModel.kt
index 700273f3..a88cf00c 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/gift/GiftViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/gift/GiftViewModel.kt
@@ -35,7 +35,9 @@ class GiftViewModel @Inject constructor(
     private val giftRepository: GiftRepository,
     private val getRefundPolicyUseCase: GetRefundPolicyUsecase,
 ) : BaseViewModel() {
-    private val userId = getUserUseCase().id
+    private val userId = checkNotNull(getUserUseCase()?.id) {
+        "[GiftViewModel] 사용자 정보가 없습니다."
+    }
     val showId: String = requireNotNull(savedStateHandle["showId"])
     val salesTicketTypeId: String = requireNotNull(savedStateHandle["salesTicketId"])
     private val ticketCount: Int = savedStateHandle["ticketCount"] ?: 1
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeScreen.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeScreen.kt
index 824ddc97..6ce58632 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeScreen.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeScreen.kt
@@ -132,7 +132,6 @@ fun HomeScreen(
                 ShowScreen(
                     modifier = modifier.padding(innerPadding),
                     onClickShowItem = onClickShowItem,
-                    navigateToReservations = navigateToReservations,
                     navigateToBusiness = navigateToBusiness,
                 )
             }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeViewModel.kt
index 6f173c36..b0f4daab 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/home/HomeViewModel.kt
@@ -38,12 +38,12 @@ class HomeViewModel @Inject constructor(
     private var pendingGiftUuid: String? = null
 
     init {
-        initUserInfo()
+        fetchUserInfo()
         sendFcmToken()
         collectDeepLinkEvent()
     }
 
-    private fun initUserInfo() {
+    private fun fetchUserInfo() {
         authRepository.getUserAndCache()
             .launchIn(viewModelScope + recordExceptionHandler)
     }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginEvent.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginEvent.kt
index 32786b1e..4e269a99 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginEvent.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginEvent.kt
@@ -5,4 +5,5 @@ sealed interface LoginEvent {
     data object RequireSignUp : LoginEvent
     data object SignOutCancelled : LoginEvent
     data object Invalid : LoginEvent
+    data object SignupFailed : LoginEvent
 }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginScreen.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginScreen.kt
index b3de9caa..77645681 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginScreen.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginScreen.kt
@@ -39,6 +39,7 @@ import com.nexters.boolti.presentation.component.BTDialog
 import com.nexters.boolti.presentation.component.BtCloseableAppBar
 import com.nexters.boolti.presentation.component.KakaoLoginButton
 import com.nexters.boolti.presentation.component.MainButton
+import com.nexters.boolti.presentation.screen.LocalSnackbarController
 import com.nexters.boolti.presentation.theme.Grey30
 import com.nexters.boolti.presentation.theme.marginHorizontal
 
@@ -49,10 +50,13 @@ fun LoginScreen(
     modifier: Modifier = Modifier,
     viewModel: LoginViewModel = hiltViewModel(),
 ) {
-    val context = LocalContext.current
+    val snackbarController = LocalSnackbarController.current
+
     val sheetState = rememberModalBottomSheetState()
     var showSignOutCancelledDialog by remember { mutableStateOf(false) }
     var isSheetOpen by rememberSaveable { mutableStateOf(false) }
+    val loginFailedMessage = stringResource(id = R.string.login_failed)
+    val signupFailedMessage = stringResource(id = R.string.signup_failed)
 
     LaunchedEffect(Unit) {
         viewModel.event.collect {
@@ -60,7 +64,8 @@ fun LoginScreen(
                 LoginEvent.Success -> onBackPressed()
                 LoginEvent.RequireSignUp -> isSheetOpen = true
                 LoginEvent.SignOutCancelled -> showSignOutCancelledDialog = true
-                LoginEvent.Invalid -> Toast.makeText(context, "로그인 실패", Toast.LENGTH_SHORT).show()
+                LoginEvent.Invalid -> snackbarController.showMessage(loginFailedMessage)
+                LoginEvent.SignupFailed -> snackbarController.showMessage(signupFailedMessage)
             }
         }
     }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginViewModel.kt
index da0ea68c..2ca42909 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/login/LoginViewModel.kt
@@ -2,6 +2,7 @@ package com.nexters.boolti.presentation.screen.login
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.google.firebase.crashlytics.FirebaseCrashlytics
 import com.nexters.boolti.domain.repository.AuthRepository
 import com.nexters.boolti.domain.request.LoginRequest
 import com.nexters.boolti.domain.request.OauthType
@@ -39,7 +40,7 @@ class LoginViewModel @Inject constructor(
                     else -> event(LoginEvent.Success)
                 }
             }.onFailure {
-                Timber.d("login failed: $it")
+                FirebaseCrashlytics.getInstance().setCustomKey("LOGIN", "FAILED")
                 event(LoginEvent.Invalid)
             }
         }
@@ -78,7 +79,8 @@ class LoginViewModel @Inject constructor(
             ).onSuccess {
                 event(LoginEvent.Success)
             }.onFailure {
-                // TODO 예외 처리
+                FirebaseCrashlytics.getInstance().setCustomKey("SIGNUP", "FAILED")
+                event(LoginEvent.SignupFailed)
             }
         }
     }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/my/MyViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/my/MyViewModel.kt
index 83a22b8a..95ac7fd9 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/my/MyViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/my/MyViewModel.kt
@@ -21,12 +21,6 @@ class MyViewModel @Inject constructor(
         null,
     )
 
-    fun logout() {
-        viewModelScope.launch {
-            authRepository.logout()
-        }
-    }
-
     fun fetchMyInfo() {
         authRepository.getUserAndCache()
             .launchIn(viewModelScope + recordExceptionHandler)
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowScreen.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowScreen.kt
index 5660e6ce..d32efedc 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowScreen.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowScreen.kt
@@ -67,7 +67,6 @@ import com.nexters.boolti.presentation.theme.point4
 
 @Composable
 fun ShowScreen(
-    navigateToReservations: () -> Unit,
     navigateToBusiness: () -> Unit,
     onClickShowItem: (showId: String) -> Unit,
     modifier: Modifier = Modifier,
@@ -78,7 +77,7 @@ fun ShowScreen(
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
 
     val lazyGridState = rememberLazyGridState()
-    val appbarHeight = if (uiState.hasPendingTicket) 196.dp + 52.dp else 196.dp
+    val appbarHeight = 196.dp
     val searchBarHeight = 80.dp
     val changeableAppBarHeightPx = (appbarHeight - searchBarHeight).toPx()
     var appbarOffsetHeightPx by rememberSaveable { mutableFloatStateOf(0f) }
@@ -102,7 +101,6 @@ fun ShowScreen(
     }
 
     LaunchedEffect(Unit) {
-        viewModel.fetchReservationInfo()
         viewModel.events.collect { event ->
             when (event) {
                 ShowEvent.Search -> appbarOffsetHeightPx = 0f
@@ -152,8 +150,6 @@ fun ShowScreen(
                         y = appbarOffsetHeightPx.coerceAtLeast(-changeableAppBarHeightPx).toInt(),
                     )
                 },
-                navigateToReservations = navigateToReservations,
-                hasPendingTicket = uiState.hasPendingTicket,
                 nickname = nickname.ifBlank { stringResource(id = R.string.nickname_default) },
                 text = uiState.keyword,
                 onKeywordChanged = viewModel::updateKeyword,
@@ -166,8 +162,6 @@ fun ShowScreen(
 @Composable
 fun ShowAppBar(
     text: String,
-    hasPendingTicket: Boolean,
-    navigateToReservations: () -> Unit,
     nickname: String,
     onKeywordChanged: (keyword: String) -> Unit,
     search: () -> Unit,
@@ -180,10 +174,6 @@ fun ShowAppBar(
             .padding(horizontal = marginHorizontal)
     ) {
         Spacer(modifier = Modifier.height(20.dp))
-        if (hasPendingTicket) Banner(
-            modifier = Modifier.fillMaxWidth(),
-            navigateToReservations = navigateToReservations,
-        )
         Spacer(modifier = Modifier.height(20.dp))
         Text(
             modifier = Modifier
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowUiState.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowUiState.kt
index 1264ef21..baf5e8f9 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowUiState.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowUiState.kt
@@ -5,5 +5,4 @@ import com.nexters.boolti.domain.model.Show
 data class ShowUiState(
     val keyword: String = "",
     val shows: List<Show> = emptyList(),
-    val hasPendingTicket: Boolean = false,
 )
\ No newline at end of file
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowViewModel.kt
index 46dafb73..db732a8f 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/show/ShowViewModel.kt
@@ -28,7 +28,6 @@ import javax.inject.Inject
 @HiltViewModel
 class ShowViewModel @Inject constructor(
     private val showRepository: ShowRepository,
-    private val reservationRepository: ReservationRepository,
     authRepository: AuthRepository,
 ) : BaseViewModel() {
     val user: StateFlow<User?> = authRepository.cachedUser.stateIn(
@@ -67,17 +66,4 @@ class ShowViewModel @Inject constructor(
     fun updateKeyword(newKeyword: String) {
         _uiState.update { it.copy(keyword = newKeyword) }
     }
-
-    fun fetchReservationInfo() {
-        reservationRepository.getReservations()
-            .map { reservations ->
-                reservations.firstOrNull { it.reservationState == ReservationState.DEPOSITING } != null
-            }
-            .onEach { hasPendingTicket ->
-                _uiState.update {
-                    it.copy(hasPendingTicket = hasPendingTicket)
-                }
-            }
-            .launchIn(viewModelScope + recordExceptionHandler)
-    }
 }
diff --git a/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt b/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt
index c876f49d..293aecb8 100644
--- a/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt
+++ b/presentation/src/main/java/com/nexters/boolti/presentation/screen/ticketing/TicketingViewModel.kt
@@ -42,7 +42,9 @@ class TicketingViewModel @Inject constructor(
     val showId: String = requireNotNull(savedStateHandle["showId"])
     val salesTicketTypeId: String = requireNotNull(savedStateHandle["salesTicketId"])
     private val ticketCount: Int = savedStateHandle["ticketCount"] ?: 1
-    private val userId = getUserUsecase().id
+    private val userId = checkNotNull(getUserUsecase()?.id) {
+        "[TicketingViewModel] 사용자 정보가 없습니다."
+    }
 
     private val _uiState = MutableStateFlow(TicketingState())
     val uiState = _uiState.asStateFlow()
diff --git a/presentation/src/main/res/values/strings.xml b/presentation/src/main/res/values/strings.xml
index e51397a8..024c02be 100644
--- a/presentation/src/main/res/values/strings.xml
+++ b/presentation/src/main/res/values/strings.xml
@@ -76,6 +76,8 @@
     <string name="nickname_default">불티 유저</string>
     <string name="signout_cancelled_message">30일 내에 로그인하여\n계정 삭제가 취소되었어요.\n불티를 다시 찾아주셔서 감사해요!</string>
     <string name="user_code">식별 코드</string>
+    <string name="login_failed">로그인 실패</string>
+    <string name="signup_failed">회원가입 실패</string>
 
     <!-- 탈퇴 -->
     <string name="signout">계정 삭제</string>