maestro: UNKNOWN: Unexpected error in RPC handling

com.github.michaelbull.result.UnwrapException: kotlin.Unit io.grpc.StatusRuntimeException: UNKNOWN: Unexpected error in RPC handling
        at maestro.drivers.IOSDriver.contentDescriptor(IOSDriver.kt:149)
        at maestro.ViewHierarchy$Companion.from-c1iYVAs(ViewHierarchy.kt:28)
        at maestro.Maestro.viewHierarchy-prqvCes(Maestro.kt:228)
        at maestro.orchestra.Orchestra.findElement(Orchestra.kt:257)
        at maestro.orchestra.Orchestra.findElement$default(Orchestra.kt:243)
        at maestro.orchestra.Orchestra.tapOnElement(Orchestra.kt:216)
        at maestro.orchestra.Orchestra.executeCommand(Orchestra.kt:120)
        at maestro.orchestra.Orchestra.executeCommands(Orchestra.kt:107)
        at maestro.orchestra.Orchestra.runFlow(Orchestra.kt:69)
        at maestro.orchestra.Orchestra.runInitFlow(Orchestra.kt:79)
        at maestro.cli.runner.MaestroCommandRunner.runCommands(MaestroCommandRunner.kt:91)
        at maestro.cli.runner.TestRunner$runSingle$result$1.invoke(TestRunner.kt:32)
        at maestro.cli.runner.TestRunner$runSingle$result$1.invoke(TestRunner.kt:29)
        at maestro.cli.runner.TestRunner.runCatching(TestRunner.kt:116)
        at maestro.cli.runner.TestRunner.runSingle(TestRunner.kt:29)
        at maestro.cli.command.TestCommand.call(TestCommand.kt:60)
        at maestro.cli.command.TestCommand.call(TestCommand.kt:30)
        at picocli.CommandLine.executeUserObject(CommandLine.java:1933)
        at picocli.CommandLine.access$1200(CommandLine.java:145)
        at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2332)
	at picocli.CommandLine$RunLast.handle(CommandLine.java:2326)
	at picocli.CommandLine$RunLast.handle(CommandLine.java:2291)
	at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2159)
	at picocli.CommandLine.execute(CommandLine.java:2058)
	at maestro.cli.AppKt.main(App.kt:74)

appId: com.test.app
---
- launchApp
- hideKeyboard

# Initial choice screen (sign-in/subscribe)
- tapOn:
    id: "initialscreen_signin_button"

# Login screen
# dies here 
- tapOn:
    id: "username_textfield"
- inputText: me@here.com"
- tapOn:
    id: "password_textfield"
- inputText: "p@$$w0rd"
- tapOn:
    id: "login_continue_button"