App crashed when clicked 'Proceed with sandbox purchase'

[gopalindians]

flutter doctor v`

[✓] Flutter (Channel stable, v1.12.13+hotfix.5, on Linux, locale en_GB.UTF-8) • Flutter version 1.12.13+hotfix.5 at /home/gopal/Downloads/flutter_linux_v0.9.4-beta/flutter • Framework revision 27321ebbad (4 weeks ago), 2019-12-10 18:15:01 -0800 • Engine revision 2994f7e1e6 • Dart version 2.7.0

[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2) • Android SDK at /home/gopal/Android/Sdk • Android NDK location not configured (optional; useful for native profiling support) • Platform android-29, build-tools 29.0.2 • ANDROID_HOME = /home/gopal/Android/Sdk • Java binary at: /snap/android-studio/81/android-studio/jre/bin/java • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405) • All Android licenses accepted.

[✓] Android Studio (version 3.5) • Android Studio at /snap/android-studio/81/android-studio • Flutter plugin version 42.1.1 • Dart plugin version 191.8593 • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)

[!] IntelliJ IDEA Ultimate Edition (version 2019.2) • IntelliJ at /home/gopal/डाउनलोड/ideaIU-2019.1.3/idea-IU-191.7479.19 ✗ Flutter plugin not installed; this adds Flutter specific functionality. ✗ Dart plugin not installed; this adds Dart specific functionality. • For information about installing plugins, see https://flutter.dev/intellij-setup/#installing-the-plugins

[✓] Connected device (1 available) • Redmi Note 7 Pro • f185687c • android-arm64 • Android 9 (API 28)

! Doctor found issues in 1 category

[pikaju]

Did it print any stack traces while crashing?

[gopalindians]

Its just saying Lost connection to device.

[pauli2406]

Same problem for me. Any information regarding a fix? Edit: seems to be fixed with ^0.5.3+1