_TypeError: Null check operator used on a null value
at NativeAssets.build(native_assets.dart:92)
at <asynchronous gap>(async)
at _BuildInstance._invokeInternal(build_system.dart:853)
at <asynchronous gap>(async)
at Future.wait.<anonymous closure>(future.dart:523)
at <asynchronous gap>(async)
at _BuildInstance.invokeTarget(build_system.dart:791)
at <asynchronous gap>(async)
at Future.wait.<anonymous closure>(future.dart:523)
at <asynchronous gap>(async)
at _BuildInstance.invokeTarget(build_system.dart:791)
at <asynchronous gap>(async)
at FlutterBuildSystem.build(build_system.dart:620)
at <asynchronous gap>(async)
at AssembleCommand.runCommand(assemble.dart:315)
at <asynchronous gap>(async)
at FlutterCommand.run.<anonymous closure>(flutter_command.dart:1350)
at <asynchronous gap>(async)
at AppContext.run.<anonymous closure>(context.dart:150)
at <asynchronous gap>(async)
at CommandRunner.runCommand(command_runner.dart:212)
at <asynchronous gap>(async)
at FlutterCommandRunner.runCommand.<anonymous closure>(flutter_command_runner.dart:348)
at <asynchronous gap>(async)
at AppContext.run.<anonymous closure>(context.dart:150)
at <asynchronous gap>(async)
at FlutterCommandRunner.runCommand(flutter_command_runner.dart:294)
at <asynchronous gap>(async)
at run.<anonymous closure>.<anonymous closure>(runner.dart:112)
at <asynchronous gap>(async)
at AppContext.run.<anonymous closure>(context.dart:150)
at <asynchronous gap>(async)
at main(executable.dart:90)
at <asynchronous gap>(async)