Duplicate symbols for architecture arm64 error after adding library to project

[andrewsadowski]

Hello!

While trying to upgrade a project to a newer version of ReactNative, on RN "0.62.2", I have been hitting duplicate symbols for architecture arm64 error for the react-native-udp and react-native-tcp when trying to run an iOS build. Without this library added, everything works as expected.

Anyone hit this, or have any recommendations for workarounds? I have tried the uninstalling and reinstalling pods and removing DerivedData, along with some other more complicated recommendations found elsewhere online. Any help greatly appreciated!

Here is my React-Native environment info:
React Native Environment Info:
System:
OS: macOS 10.15.4
CPU: (4) x64 Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz
Memory: 449.95 MB / 16.00 GB
Shell: 5.7.1 - /bin/zsh
Binaries:
Node: 12.13.1 - /usr/local/bin/node
Yarn: 1.13.0 - /usr/local/bin/yarn
npm: 6.14.3 - ~/.npm-global/bin/npm
SDKs:
iOS SDK:
Platforms: iOS 13.4, DriverKit 19.0, macOS 10.15, tvOS 13.4, watchOS 6.2
Android SDK:
API Levels: 18, 19, 21, 23, 25, 26, 27, 28, 29
Build Tools: 27.0.3, 28.0.3
System Images: android-21 | ARM EABI v7a, android-21 | Intel x86 Atom, android-28 | Google Play Intel x86 Atom, android-29 | Google APIs Intel x86 Atom, android-29 | Google Play Intel x86 Atom
IDEs:
Android Studio: 3.6 AI-192.7142.36.36.6392135
Xcode: 11.4/11E146 - /usr/bin/xcodebuild
npmPackages:
react: 16.8.3 => 16.8.3
react-native: 0.59.10 => 0.59.10
npmGlobalPackages:
react-native-cli: 2.0.1
react-native-git-upgrade: 0.2.7

[johanschram]

Same problem here...
@andrewsadowski, if you manage to find a way, let me know. I'll do the same.
RN 0.62.2
XCode 10.3

[andrewsadowski]

I was able to solve this by removing Flipper from my project. It looks like it was conflicting with a bunch of the rn-nodeify packages. Then removing Pods and re-building. I found this solution here: tradle/react-native-udp#113

[johanschram]

Well, the last version of tradle/react-native-udp is supposed to fix this...
react-native-udp/commit

Edit: my bad, that's not the only package involved with this issue.

[ahmadaafaq]

Getting same error after upgrading RN 0.61.5 to RN 0.62.2, without flipper everything works fine but with flipper started getting build error: 144 duplicate symbols for architecture *86_64.

Has anyone found any solution as I want to use Flipper.