Flutter build fails when using Geocoding API

[DevDHera]

Cannot resolve the following issue regarding MapView.

Performing full restart...
I/flutter (28990): Configured channel receiver in flutter ..
E/flutter (28990): [ERROR:topaz/lib/tonic/logging/dart_error.cc(16)] Unhandled exception:
E/flutter (28990): MissingPluginException(No implementation found for method setApiKey on channel com.apptreesoftware.map_view)
E/flutter (28990): #0      MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:153:7)
E/flutter (28990): <asynchronous suspension>
E/flutter (28990): #1      MapView.setApiKey (package:map_view/map_view.dart:47:7)
E/flutter (28990): #2      main (/data/user/0/com.yourcompany.sortiesportmobile/cache/sortiesport_mobileLULDVN/sortiesport_mobile/lib/main.dart:20:11)
E/flutter (28990): #3      _startIsolate.<anonymous closure> (dart:isolate-patch/dart:isolate/isolate_patch.dart:278)
E/flutter (28990): #4      _RawReceivePortImpl._handleMessage (dart:isolate-patch/dart:isolate/isolate_patch.dart:164)
Restarted app in 5 948ms.