I want to use xcode cloud to make ci cd in flutter project & get error: xcode cloud The sandbox is not in sync with the Podfile.lock?

Question

xcode cloud fails & gives this error:

**xcode** cloud The sandbox is not in sync with the *podfile.lock*.

this is my script:

 #!/bin/sh

# The default execution directory of this script is the ci_scripts directory.
cd $CI_WORKSPACE # change working directory to the root of your cloned repo.

# Install Flutter using git.
git clone https://github.com/flutter/flutter.git --depth 1 -b stable $HOME/flutter
export PATH="$PATH:$HOME/flutter/bin"

# Install Flutter artifacts for iOS (--ios), or macOS (--macos) platforms.
flutter precache --ios

# Install Flutter dependencies.
flutter pub get

# Install CocoaPods using Homebrew.
HOMEBREW_NO_AUTO_UPDATE=1 # disable homebrew's automatic updates.
brew install cocoapods

export GEM_HOME="$HOME/.gem"
gem install cocoapods
# Install CocoaPods dependencies.
cd ios && rm -rf Pods && gem install cocoapods && pod install
sudo arch -x86_64 gem install ffi
arch -x86_64 pod install

exit 0