Ld /Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/MyApp.app/MyApp normal x86_64 (in target 'MyApp' from project 'MyApp') cd /Users/ajaysivan/MyApp/OfflineUpgrade/MyApp-offline-app/ios /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -target x86_64-apple-ios9.0-simulator -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator13.2.sdk -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/BVLinearGradient -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/DoubleConversion -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/FBReactNativeSpec -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/Folly -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/RCTTypeSafety -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/RNDeviceInfo -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/RNVectorIcons -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-Core -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-CoreModules -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTActionSheet -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTAnimation -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTBlob -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTImage -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTLinking -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTNetwork -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTSettings -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTText -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-RCTVibration -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-cxxreact -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-jsi -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-jsiexecutor -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/React-jsinspector -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/ReactCommon -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/Sentry -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/SentryReactNative -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/Yoga -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/glog -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/react-native-config -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/react-native-geolocation -L/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/react-native-netinfo -F/Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator -filelist /Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Intermediates.noindex/MyApp.build/Debug-iphonesimulator/MyApp.build/Objects-normal/x86_64/MyApp.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -Xlinker -object_path_lto -Xlinker /Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Intermediates.noindex/MyApp.build/Debug-iphonesimulator/MyApp.build/Objects-normal/x86_64/MyApp_lto.o -Xlinker -export_dynamic -Xlinker -no_deduplicate -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -ObjC -lBVLinearGradient -lDoubleConversion -lFBReactNativeSpec -lFolly -lRCTTypeSafety -lRNDeviceInfo -lRNVectorIcons -lReact-Core -lReact-CoreModules -lReact-RCTActionSheet -lReact-RCTAnimation -lReact-RCTBlob -lReact-RCTImage -lReact-RCTLinking -lReact-RCTNetwork -lReact-RCTSettings -lReact-RCTText -lReact-RCTVibration -lReact-cxxreact -lReact-jsi -lReact-jsiexecutor -lReact-jsinspector -lReactCommon -lSentry -lSentryReactNative -lYoga -lc++ -lglog -lreact-native-config -lreact-native-geolocation -lreact-native-netinfo -lstdc++ -lz -framework Foundation -framework JavaScriptCore -ObjC -lc++ -Xlinker -sectcreate -Xlinker __TEXT -Xlinker __entitlements -Xlinker /Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Intermediates.noindex/MyApp.build/Debug-iphonesimulator/MyApp.build/MyApp.app-Simulated.xcent -framework JavaScriptCore -lRCTBlob -lRCTAnimation -lReact -lRCTActionSheet -lRCTGeolocation -lRCTImage -lRCTLinking -lRCTNetwork -lRCTSettings -lRCTText -lRCTVibration -lRCTWebSocket -lPods-MyApp -Xlinker -dependency_info -Xlinker /Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Intermediates.noindex/MyApp.build/Debug-iphonesimulator/MyApp.build/Objects-normal/x86_64/MyApp_dependency_info.dat -o /Users/ajaysivan/Library/Developer/Xcode/DerivedData/MyApp-fhlxfvymksoqhsglhalddkzaekrm/Build/Products/Debug-iphonesimulator/MyApp.app/MyApp
.
ld: library not found for -lRCTBlob clang: error: linker command failed with exit code 1 (use -v to see invocation)
Getting the above error when building react-native project in Xcode11. I recently upgraded to react native 0.61.5 and everything works fine on android. No Idea why it is not working on iOS.
I'm really new to iOS and react-native. If you need any further information please ask.