'decoration' isn't a function or method and can't be invoked

[freddiandrew]

when use with flutter 2.5.0 the following error show up :

`/D:/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/form_builder_phone_field-0.3.0/lib/src/form_builder_phone_field.dart:198:43: Error: 'decoration' isn't a function or method and can't be invoked.
decoration: state.decoration(),
^^^^...
/D:/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/form_builder_phone_field-0.3.0/lib/src/form_builder_phone_field.dart:187:22: Error: The argument type 'void Function(String)?' can't be assigned to the parameter type 'void Function(String?)?' because 'String?' is nullable and 'String' isn't.
onChanged: onChanged,
^

FAILURE: Build failed with an exception.`

any ide to resolve ?
thank you

[mustadev]

I have the same Error.

[imhafeez]

This has been fixed. Pull request has been sent #18.
use https://github.com/imhafeez/form_builder_phone_field.git if its not merged.

Thanks