a required plist file or resource is malformed

I am facing this error on every flutter project build. Although it runs ok. The error happens on the codesign command What do I need to fix ? I have validated that every *.plist file is ok using plutil -lint

ERROR MESSAGE

/usr/bin/codesign --force --sign MY_SHA_CODE --verbose
/Users/macbookair/workspace/flutter_application_1/build/ios/Release-iphoneos/Runner.app/Frameworks/libswiftCore.dylib)` exited with status 0. The command's
output was:

/Users/macbookair/workspace/flutter_application_1/build/ios/Release-iphoneos/Runner.app/Frameworks/libswiftCore.dylib: a required plist file or resource is
malformed

Info.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundleDevelopmentRegion</key>    <string>$(DEVELOPMENT_LANGUAGE)</string>
    <key>CFBundleDisplayName</key>    <string>Flutter Application 1</string>
    <key>CFBundleExecutable</key>    <string>$(EXECUTABLE_NAME)</string>
    <key>CFBundleIdentifier</key>    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
    <key>CFBundleInfoDictionaryVersion</key>    <string>6.0</string>
    <key>CFBundleName</key>    <string>flutter_application_1</string>
    <key>CFBundlePackageType</key>    <string>APPL</string>
    <key>CFBundleShortVersionString</key>    <string>$(FLUTTER_BUILD_NAME)</string>
    <key>CFBundleSignature</key>    <string>????</string>
    <key>CFBundleVersion</key>    <string>$(FLUTTER_BUILD_NUMBER)</string>
    <key>LSRequiresIPhoneOS</key>    <true/>
    <key>UILaunchStoryboardName</key>    <string>LaunchScreen</string>
    <key>UIMainStoryboardFile</key>    <string>Main</string>
    <key>UISupportedInterfaceOrientations</key>    <array>
        <string>UIInterfaceOrientationPortrait</string>        <string>UIInterfaceOrientationLandscapeLeft</string>
        <string>UIInterfaceOrientationLandscapeRight</string>    </array>
    <key>UISupportedInterfaceOrientations~ipad</key>    <array>
        <string>UIInterfaceOrientationPortrait</string>        <string>UIInterfaceOrientationPortraitUpsideDown</string>
        <string>UIInterfaceOrientationLandscapeLeft</string>        <string>UIInterfaceOrientationLandscapeRight</string>
    </array>    <key>CADisableMinimumFrameDurationOnPhone</key>
    <true/>    <key>UIApplicationSupportsIndirectInputEvents</key>
    <true/></dict>
</plist>

Please help.