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185 votes
35 answers
382k views

error Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65

I've build a react-native application and suddenly I get this error message on my terminal during run of the command react-native run-ios. The same code work fine 10 minutes ago and suddenly I get ...
Idan Asulin's user avatar
  • 1,993
149 votes
25 answers
196k views

`React/RCTBridgeModule.h` file not found

Getting this error while building a react-native iOS app on xcode. Started getting this error after npm install and rpm linking react-native-fs library. But after searching online for a solution, I ...
Simar's user avatar
  • 2,505
128 votes
26 answers
84k views

"RCTBundleURLProvider.h" file not found - AppDelegate.m

I am trying to run my React Native app in XCode and I keep getting this error. I cannot figure out how to resolve the issue. Any suggestions? Screen Shot of Error in XCode:
FilosoferKing's user avatar
116 votes
13 answers
81k views

iOS Launch screen in React Native

I'm working with a React Native app and I'm trying to set a customize launch screen but I'm not able to. React Native creates a LaunchScreen.xib by default, so I've created a LaunchImage inside Images....
JV Lobo's user avatar
  • 6,176
109 votes
20 answers
216k views

How can I regenerate ios folder in React Native project?

So a while ago I deleted the /ios directory in my react native app (let's call it X). I've been developing and testing using the android emulator but now I'd like to make sure it works on ios with ...
Tam Borine's user avatar
  • 1,534
108 votes
17 answers
57k views

Xcode 15: Unable to boot the Simulator

I was able to run iOS simulator fine with Xcode 14 and my Mac recently updated the latest version of Xcode which is 15 then I'm no longer able to boot a device from its new simulator. I did try many ...
tmhao2005's user avatar
  • 16.9k
95 votes
11 answers
66k views

No template named 'unary_function' in namespace 'std'; did you mean '__unary_function'?

Just upgraded my Xcode to 15.0, and suddenly it started giving me the following error in RCT_Folly No template named 'unary_function' in namespace 'std'; did you mean '__unary_function'? this is the ...
Mitesh Baraiya's user avatar
91 votes
2 answers
57k views

Use of bitwise '|' with boolean operands | Xcode 14.3 fails builds using react-native Yoga [closed]

Just updated my Xcode to Version 14.3 today and the build is failing with the following error in the Yoga file: Use of bitwise '|' with boolean operands Looks like we have some issues with the iOS ...
Mitesh Baraiya's user avatar
89 votes
16 answers
68k views

Build error domain=com.apple.CoreSimulator.SimError, code=405

I can build on my iOS 15 emulator with no problems, but when building on my iOS 15 Device connected to xcode 13. I get the error: error Failed to launch the app on simulator, An error was encountered ...
Bomber's user avatar
  • 10.8k
82 votes
27 answers
126k views

main.jsbundle does not exist. this must be a bug with + echo 'react native

I tried to archive my react native project using Product > Archive on XCode9.2. But Xcode produce this error: File /Users/louis/Library/Developer/Xcode/DerivedData/Scavenger-...
Louis Kurniawan's user avatar
73 votes
6 answers
69k views

React Native on Apple Silicon M1 - The linked library 'libPods-ProjectName.a' is missing one or more architectures required by this target: x86_64

I'm trying to build a React Native project on a MacBook Pro with a M1 architecture, for iOS simulator. The project built nicely on Intel architecture. It also build on device and archive well on M1. ...
Xiiryo's user avatar
  • 3,207
65 votes
10 answers
49k views

New React Native project with old version of react native

I am trying to create a new react native project which should utilize an older version of react-native. The result I would like would be to do something like: react-native init MyProject but have the ...
Jordan Ell's user avatar
  • 1,775
59 votes
14 answers
46k views

FBReactNativeSpec.h error after upgrading from 0.68.x to 0.69.0

I just upgraded from RN 0.68.x to 0.69.0 using the react-native upgrade command.Its shows an error about FBReactNativeSpec 'value' is unavailable : introduced in ios 12.0 react native and same error ...
user avatar
58 votes
18 answers
58k views

React native app stuck on splash screen on device but works in simulator

My React Native app works in the XCode simulator with no issues, but when I run in a physical device, my iPhone, there's a problem. The app launches and gets stuck on the React Native splash screen, ...
Thomas Charlesworth's user avatar
58 votes
1 answer
3k views

How to profile React Native source code using Xcode/Instruments/Time Profiler

We're using React Native 0.59.10 and React-Redux 5.0.7, and are experiencing a CPU-bound performance issue, in which our Redux actions are taking ~0.25s to complete. We've profiled using the Time ...
Craig Otis's user avatar
  • 31.8k
56 votes
4 answers
75k views

React-native failed propType on Image component

I am just starting out with React-native and have a pretty decent grasp on React for creating web apps... I am running into a confusing issue here that never occured when working with react for the ...
Maxwelll's user avatar
  • 2,182
55 votes
10 answers
56k views

React Native / Xcode Upgrade and now RCTConvert.h not found

App ran fine on React Native 0.35.0. After updating to 0.40.0 via react-native-git-upgrade I get a number of lexical/preprocessor issues when trying to build/run the app in XCode. React/...
Robert Schillinger's user avatar
54 votes
15 answers
36k views

PhaseScriptExecution error in React Native app

Facing this error when I run react-native run-ios after creating the project Error - error Failed to build iOS project. We ran "xcodebuild" command but it exited with error code 65. To debug ...
Harsh Nagalla's user avatar
54 votes
9 answers
82k views

How to change the "Bundle Identifier" within React Native?

Starting a new react-native project, the xcode-project gots the bundle-identifier "org.reactjs.native.example.XYZApp". XYZ is the placeholder here for my real project name. Is there any way to change ...
delete's user avatar
  • 18.9k
48 votes
6 answers
29k views

RCT Linking Manager file not found

I want to use react native library RCTLinkingManager which shows up in menu under "Libraries > RCTLinkingManager.xcodeproj". However when i add it to iOS/AppDelegate.m like so: #import "...
AJcodez's user avatar
  • 33.3k
46 votes
7 answers
42k views

Trouble requiring image module in React Native

Just getting started with React-Native and I'm having some trouble requiring a static image. Here's the very-basic code I have so far: 'use strict'; var React = require('react-native'); var { ...
markthethomas's user avatar
45 votes
16 answers
62k views

React Native - FBReactNativeSpec Command PhaseScriptExecution failed with a nonzero exit code

I am using a MacBook Pro with M1 chip MacOS Big Sur Xcode Version 13.2.1 node v14.17.5 I wanted to follow this tutorial to set up a new React Native project called AwesomeProject https://reactnative....
es1's user avatar
  • 1,429
41 votes
16 answers
42k views

React Native - npx react-native run-ios doesn't work after initializing the project

After reading https://reactnative.dev/docs/environment-setup, I created a react-native project using npx react-native init ***. It was successful, so, I tried to run the project using npx react-native ...
Everest Climber's user avatar
40 votes
18 answers
25k views

Can't open dev menu via CMD+D or reload via CMD+R any longer

I can't open my dev menu via CMD+D or reload via CMD+R any longer. It just stopped working without me knowingly changing something. Some more info: Shake gesture still works, but not always Live ...
ThorbenA's user avatar
  • 1,893
39 votes
3 answers
19k views

Xcode 11.0 build get error - Unknown argument type '__attribute__' in method -[RCTAppState getCurrentAppState:error:]

On every build in Xcode i get this error. How can i fix it? I found this commit https://github.com/facebook/react-native/pull/25146/commits/61b8b9e69d8609fecaaaa7d2c9e32808bc5e98cb which should fix ...
d3tr1tus's user avatar
  • 789
39 votes
8 answers
29k views

React Native 0.64 won't build iOS app after updating Xcode to 12.5 and iOS to 14.5

After upgrading Xcode to 12.5 and iOS to 14.5, I can't run the iOS app on a real device nor in the simulator. After running npm run ios, I get this message: The following build commands failed: ...
Guilherme Crozariol's user avatar
37 votes
5 answers
47k views

Xcode Cloud: unable to open configuration settings file

I'm working with a React Native project, setting up Xcode Cloud builds. I keep getting this error: unable to open configuration settings file Pods-XXX.debug.xcconfig:1 The files in my workspace look ...
Edie W.'s user avatar
  • 817
35 votes
11 answers
23k views

configure: error: C compiler cannot create executables- React Native

I have been trying to build my react native project but getting error React native version : .48.4 Xcode : 9.1 configure: WARNING: 'missing' script is too old or missing checking for arm-apple-...
Anju's user avatar
  • 613
34 votes
8 answers
23k views

"Undefined symbol: protocol descriptor for Swift.ExpressibleByFloatLiteral" issue while installing react native on macOS Big Sur

I was trying to install React Native on my system, and found that it failed to install CocoaPods dependencies which is required by that template error. sudo arch -x86_64 gem install ffi fixed this ...
Quinn's user avatar
  • 341
34 votes
1 answer
17k views

How to get iOS 12 Autofill to ask to save password in React Native app?

PROBLEM I'm on React Native 0.59.9 (latest at the time of this post), and have a login screen in my mobile app that I would like iOS 12's autofill feature to pick up and save the password for a new ...
Yusuf Ismail's user avatar
  • 1,291
34 votes
8 answers
11k views

React Native using pre-bundled file on device, even if DEV-mode

A few days ago, when I build and run my react native app from Xcode on a device, I realised that even if I set my scheme to Debug, the app is still loading from a pre-bundled file. Other than that, ...
Viktor Nilsson's user avatar
33 votes
3 answers
94k views

Unrecognized command "link" when linking fonts in react native

Trying to link custom fonts in a react native project, when using npx react-native link I get an error saying Unrecognized command "link" Is there a way to resolve this?
max's user avatar
  • 471
33 votes
7 answers
28k views

Build Failing for React Native iOS, "Multiple commands produce" Error

We were working on a react native project. One of my team members added some native modules on Linux and linked android. By then I am trying to link things in iOS but the build is always failing with ...
Faisal Manzer's user avatar
32 votes
10 answers
23k views

"config.h" file not found in iOS project of React native

In X-Code project of react native, getting error config.h file not found. Here is version detail : react-native-cli: 2.0.1 react-native: 0.51.0 How to solve it?
Jagdeep Singh's user avatar
32 votes
3 answers
19k views

React Native XCode Project Product Archive Fails with duplicate symbols for architecture arm64

Strangely, I can't seem to get Archive to work in XCode but the build succeeds without the errors on duplicate symbols if I do not attempt to Archive but simply build a release version. The project ...
Kaiwen Huang's user avatar
31 votes
4 answers
13k views

React Native: Unwanted Black border on ipad 2 simulation

I am testing a new (simple) reactive native app, choosing ipad 2 as target in the simulator. The loading screen shows full screen, but the first application screen (by react native) shows a big black ...
Jeroen Keppens's user avatar
31 votes
6 answers
29k views

How to migrate to Xcode 12.5

I'm not able to build a React Native project, which built correctly using Xcode 11, using Xcode 12.5. I can no longer use Xcode 11 because only more current versions of Xcode carry the necessary API ...
haleonj's user avatar
  • 1,478
31 votes
9 answers
25k views

React Native Config.h not found

I'm beginner of React native developer. After create new project then open it. xcode is display error config.h file not found in mutex.h file. I'm also search in google and try possible solution but ...
Bhaumik Surani's user avatar
30 votes
3 answers
61k views

React-native iOS not showing images (pods issue)

I was installing a package in my react-native application (to be specific it was createMaterialTopTabNavigator from react-navigation) but after the installation succeed, something crash (error: @...
Luis Quiroga's user avatar
30 votes
13 answers
51k views

React-Native IOS real device does not connect to Metro server

My Simulator works fine it connects to the development server first try. But on my real device I have to delete node modules, reinstall Podfiles, clean building folder and delete Derived Data then it ...
Mark Kiraly's user avatar
30 votes
8 answers
32k views

Xcode 12 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=arm64e armv7s arm64 arm7)

Since I update Xcode to Xcode 12, I've got this error when I build : Check dependencies No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=arm64e armv7s arm64 arm7) ...
Pentagura's user avatar
  • 591
29 votes
13 answers
114k views

A module failed to load due to an error and `AppRegistry.registerComponent` wasn't called.[ios, xcode]

I have android and ios app in react native which both uses webview to show webpage as application. Since I had to change package name to deploy it on google play since first one package name was ...
HardRock's user avatar
  • 1,031
29 votes
15 answers
40k views

main.jsbundle does not exist. This must be a bug with.. main.jsbundle issue after upgrading to react-native 0.63

"react": "16.13.1", "react-native": "0.63.0", Encountered the below main.jsbundle does not exist. This must be a bug with issue when trying to archive after ...
changey's user avatar
  • 19.4k
29 votes
6 answers
22k views

xcode using wrong node.js version

I am new to React Native. I used react-native init XXX to create a new project. When launch the xcodeproj, I got an error saying: const setupEnvScript = /^win/.test(process.platform) ^^^^^ ...
Allan Jiang's user avatar
  • 11.3k
28 votes
4 answers
12k views

Run react native app on Xcode 10

I get this error when i want to run my react native app hello world app on Xcode 10 (new beta version), can you help me? The error : error: Build input file cannot be found: '/Users/nic/Documents/...
Sajad Beheshti's user avatar
28 votes
17 answers
46k views

React Native Build Commands Failed: PhaseScriptExecution ... (domain=NSPOSIXErrorDomain, code=2)

Environment Mac OS X Version 10.11.3 (15D21) Xcode Version 7.2 (7C68) Simulator Version 9.2 (SimulatorApp-643) react-native-cli 0.1.10 node v5.5.0 What I did before running the app npm install -g ...
XYZ's user avatar
  • 26.9k
28 votes
7 answers
11k views

Can't merge user_target_xcconfig for pod targets: ["Reanimated", "hermes-engine"]. Singular build setting CLANG_CXX_LIBRARY has different values

I've been running "pod install" in my project to connect my dependencies but I've been getting this error: Can't merge user_target_xcconfig for pod targets: ["Reanimated", "...
Relie Essom's user avatar
  • 1,209

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