archive error

post_install do |installer|
#  installer.pods_project.targets.each do |target|
#    flutter_additional_ios_build_settings(target)
#  end

  installer.generated_projects.each do |project|
    project.targets.each do |target|
            target.build_configurations.each do |config|
                config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '11.0'
            end
        end
    end
end