cannot run flutter app on iOS simulator. Have already tried a lot of things

Question

Launching lib/main.dart on iPhone SE (2nd generation) in debug mode...
Running Xcode build...
Xcode build done.                                           13.8s
Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **


Xcode's output:
↳
    <module-includes>:1:1: error: umbrella header for module 'GoogleDataTransport' does not include header 'GDTCORDataFuture.h' [-Werror,-Wincomplete-umbrella]
    #import "Headers/GoogleDataTransport-umbrella.h"
    ^
    <module-includes>:1:1: error: umbrella header for module 'GoogleDataTransport' does not include header 'GDTCORStoredEvent.h' [-Werror,-Wincomplete-umbrella]
    2 errors generated.
    In file included from /Users/leozhang/Desktop/DesktopStuff/aSenior Design/BW_MOBILE_APP/AR-Tools-BW/boston_whaler_app/ios/Pods/GoogleDataTransportCCTSupport/GoogleDataTransportCCTSupport/GDTCCTLibrary/GDTCOREvent+NetworkConnectionInfo.m:17:
    /Users/leozhang/Desktop/DesktopStuff/aSenior Design/BW_MOBILE_APP/AR-Tools-BW/boston_whaler_app/ios/Pods/GoogleDataTransportCCTSupport/GoogleDataTransportCCTSupport/GDTCCTLibrary/Private/GDTCOREvent+NetworkConnectionInfo.h:17:9: fatal error: could not build module 'GoogleDataTransport'
    #import <GoogleDataTransport/GDTCOREvent.h>
     ~~~~~~~^
    3 errors generated.
    note: Using new build system
    note: Building targets in parallel
    note: Planning build
    note: Constructing build description

Could not build the application for the simulator.
Error launching application on iPhone SE (2nd generation).

I've looked at solutions online for hours already and nothing has worked. From cocoapods to googleservices-info.plist file changes on Xcode, but no luck :( Please help me :'(

Answer 1

flutter clean solved this for me.