flutter error

Launching lib/main.dart on iPad Retina in debug mode...
Running Xcode build...
 ├─Assembling Flutter resources...                           3.1s
 └─Compiling, linking and signing...                         2.9s
Xcode build done.                                            8.5s
            PackageType = Developer;
            SimulatorRootPath = "/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 9.0.simruntime/Contents/Resources/RuntimeRoot";
            SimulatorUserPath = "/Users/yasin/Library/Developer/CoreSimulator/Devices/6ECA4F0D-1860-4099-8663-B767F81F28F8/data";
        }
        state->old_bundle: /Users/yasin/Library/Developer/CoreSimulator/Devices/6ECA4F0D-1860-4099-8663-B767F81F28F8/data/Containers/Bundle/Application/5743EC08-0464-43E7-A67E-E5AF4A2E1AF6/Runner.app
        state->new_bundle: /Users/yasin/pics/build/ios/iphonesimulator/Runner.app
        state->dst_bundle: /Users/yasin/Library/Developer/CoreSimulator/Devices/6ECA4F0D-1860-4099-8663-B767F81F28F8/data/Library/Caches/com.apple.mobile.installd.staging/temp.pIGTYi/extracted/Payload//Runner.app, binaryDiff flag: FALSE
                dst_ipa: /Users/yasin/Library/Developer/CoreSimulator/Devices/6ECA4F0D-1860-4099-8663-B767F81F28F8/data/Library/Caches/com.apple.mobile.installd.staging/temp.pIGTYi/extracted
        Added: {(
        )}
        Removed: {(
        )}
        Modified: {(
            "com.example.pics"
        )}
            CFBundleIdentifier = "com.example.pics";
            PackageType = Developer;
            SimulatorRootPath = "/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 9.0.simruntime/Contents/Resources/RuntimeRoot";
            SimulatorUserPath = "/Users/yasin/Library/Developer/CoreSimulator/Devices/6ECA4F0D-1860-4099-8663-B767F81F28F8/data";
        })
            arguments =     (
                "--enable-dart-profiling",
                "--enable-checked-mode",
                "--verify-entry-points",
                "--observatory-port=0"
            );
            environment =     {
                TERM = "screen-256color";
            };
        }
                retryTimeout: 120.000000 (default write com.apple.CoreSimulatorBridge LaunchRetryTimeout <value>)
                bootTimeout: 300.000000 (default write com.apple.CoreSimulatorBridge BootRetryTimeout <value>)
                bootLeeway: 120.000000 (default write com.apple.CoreSimulatorBridge BootLeeway <value>)
                Note: Use 'xcrun simctl spawn booted defaults write <domain> <key> <value>' to modify defaults in the booted Simulator device.
        Simulator booted at: 2019-03-31 11:59:40 +0000
        Current time: 2019-03-31 12:14:19 +0000
        Within boot leeway: NO
Mar 31 05:14:19 MacBook-Pro-4 com.apple.CoreSimulator.SimDevice.6ECA4F0D-1860-4099-8663-B767F81F28F8[35836] (UIKitApplication:com.example.pics[0x205e][37106]): Program specified by service does not contain one of the requested architectures: �
ProcessException: Process "/usr/bin/xcrun" exited abnormally:
com.example.pics: -1

An error was encountered processing the command (domain=FBSOpenApplicationErrorDomain, code=1):
The operation couldn’t be completed. (FBSOpenApplicationErrorDomain error 1.)
  Command: /usr/bin/xcrun simctl launch 6ECA4F0D-1860-4099-8663-B767F81F28F8 com.example.pics --enable-dart-profiling --enable-checked-mode --verify-entry-points --observatory-port=0
Error launching application on iPad Retina.