NoSuchMethodError: The getter 'location' was called on null.

[mahboobahmed6577]

Hi,
I am facing error while creating my first project through command line. Here is the error lines...

E:\Flutter>aqueduct create sample_server
-- Aqueduct CLI Version: 3.3.0+1
*** Uncaught error
NoSuchMethodError: The getter 'location' was called on null.
Receiver: null
Tried calling: location
**** Stacktrace

• #0 Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
• user.dart is incorrect #1 CLIAqueductGlobal.templateDirectory (package:aqueduct/src/cli/commands/create.dart:347:41)
• 3.0 #2 CLIAqueductGlobal.getTemplateLocation (package:aqueduct/src/cli/commands/create.dart:351:12)
• Can not run flutter todo App. #3 CLITemplateCreator.handle (package:aqueduct/src/cli/commands/create.dart:51:27)
• Updating for Dart 2 #4 CLICommand.process (package:aqueduct/src/cli/command.dart:159:20)
• Set legacy build system setting for Xcode 10 #5 CLICommand.process (package:aqueduct/src/cli/command.dart:135:12)
• SocketException: OS Error: Connection refused, errno = 61, address = localhost, port = 54372 #6 main (file:///C:/Users/lenovo/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/aqueduct-3.3.0+1/bin/aqueduct.dart:9:27)
• How to debug services? #7 _startIsolate. (dart:isolate-patch/isolate_patch.dart:299:32)
• fix instructions when starting new db, fix port of localhost #8 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)

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