Unresolved reference: stackTraceToString

[oliverchu]

e: /Users/oliver/Work/Android/flutter/.pub-cache/hosted/pub.flutter-io.cn/fluttercontactpicker-4.2.1/android/src/main/kotlin/me/schlaubi/fluttercontactpicker/ContactPicker.kt: (52, 280): Unresolved reference: stackTraceToString

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':fluttercontactpicker:compileDebugKotlin'.

  Compilation error. See log for more details

• Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 19s

[oliverchu]

thank you!

[DRSchlaubi]

stackTraceToString was added in Kotlin 1.4 so you need at least thar