system cannot find the file specified.'package:sma/key.dart'; & undefined names in lib/keys/api_keys.dart:

[RajuNarula369]

lib/keys/api_keys.dart:5:8: Error: Error when reading 'lib/key.dart': The system cannot find the file specified.

import 'package:sma/key.dart';
^
lib/keys/api_keys.dart:10:40: Error: Undefined name 'sentryDNS'.
const String kSentryDomainNameSystem = sentryDNS;
^^^^^^^^^
lib/keys/api_keys.dart:15:33: Error: Undefined name 'alphavantageKey'.
const String kAlphaVantageKey = alphavantageKey;
^^^^^^^^^^^^^^^
lib/keys/api_keys.dart:20:28: Error: Undefined name 'finnhubKey'.
const String kFinnhubKey = finnhubKey;
^^^^^^^^^^
lib/keys/api_keys.dart:25:25: Error: Undefined name 'newsApi'.
const String kNewsKey = newsApi;
^^^^^^^
lib/keys/api_keys.dart:30:42: Error: Undefined name 'financialAPI'.
const String kFinancialModelingPrepApi = financialAPI;
^^^^^^^^^^^^
/C:/src/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/charts_flutter-0.9.0/lib/src/behaviors/legend/legend_entry_layout.dart:133:45: Error: The getter 'body1' isn't defined for the class 'TextTheme'.

• 'TextTheme' is from 'package:flutter/src/material/text_theme.dart' ('/C:/src/flutter/flutter/packages/flutter/lib/src/material/text_theme.dart').
  Try correcting the name to the name of an existing getter, or defining a getter or field named 'body1'.
  color ??= Theme.of(context).textTheme.body1.color;
  ^^^^^