Error 1:

[!] 'KakaoOpenSDK' uses the unencrypted 'http' protocol to transfer the Pod. Please be sure you're in a safe network with only trusted hosts. Otherwise, please reach out to the library author to notify them of this security issue.

pod update 하고 xcode껏다킴
(또는 pod install --repo-update)

Error 2:

[Sun May 16 2021 02:39:15.924]  ERROR    Invariant Violation: "CampusTaxi" has not been registered. This can happen if:

• Metro (the local dev server) is run from the wrong folder. Check if Metro is running, stop it and restart it in the current project.
• A module failed to load due to an error and AppRegistry.registerComponent wasn't called.

AppDelegate.m ⇒ 모듈이름 교체(아래에서 @"캠퍼스택시") = app.json이름이 초기와 다를경우 생기는 문제

Error 3: Firebase Init

2021-05-14 22:51:28.070909+0900 CampusTaxi[6569:70617] 7.9.0 - [Firebase/Core][I-COR000003] The default Firebase app has not yet been configured. Add [FIRApp configure]; (FirebaseApp.configure() in Swift) to your application initialization. Read more: https://goo.gl/ctyzm8.

#import <Firebase.h> //1번줄

(생략) //맨 아래 3줄 붙여넣기
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
if ([FIRApp defaultApp] == nil) {
    [FIRApp configure];
  }

Error 4: font error

Unrecognized font family 'Roboto-Bold'

4-1 xcode myproject⇒Resource에 RobotoBold.ttf 넣기

Roboto-Bold.ttf

4.2 Info.plist 에 추가하기