我刚刚重命名了一堆文件，现在我无法启动我的应用程序，因为它有所有这些运行时错误的影响：

VpUser? createdBy,
            ^^^^^^
: Error: 'VpUser' isn't a type.

然后我转到我的代码，错误应该在哪里，而错误根本不存在。我可以右键单击〉从冻结的文件转到定义，它会转到类。我的vs代码中没有报告问题。为什么我的应用在调试控制台中的错误似乎不存在的情况下无法编译？
上面的示例错误针对以下代码：
user.dart:

import 'package:firebase_auth/firebase_auth.dart';
import 'package:freezed_annotation/freezed_annotation.dart';

import '../../_common/entity_types/domain_entity.dart';
import '../../_common/utils/string_utils.dart';
import '../../application/local/image_picker_image/image_picker_image.dart';
import 'user_dto.dart';

part 'user.freezed.dart';
part 'user.g.dart';

/// This is the user of the application.
@freezed
class VpUser extends DomainEntity<VpUserDto, String?> with _$VpUser {
  const factory VpUser(
      {String? id,
      String? emailAddress,
      String? nickName,
      VpImage? profilePicture,
      @JsonKey(ignore: true) User? thirdPartyUser,
      DateTime? createdDate,
      DateTime? updatedDate,
      String? createdById,
      VpUser? createdBy,
      String? updatedById,
      VpUser? updatedBy}) = _VpUser;

  factory VpUser.fromDto(VpUserDto dto) {
    VpImage? profilePicture;
    if (dto.profilePicture != null) {
      final position = dto.profilePicture!.lastIndexOf('/') + 1;
      final fileName =
          dto.profilePicture!.substring(position, dto.profilePicture!.length);
      profilePicture = VpImage(
          bucketName: 'vp-profile-pictures',
          url: dto.profilePicture,
          file: null,
          fileName: fileName);
    }

    return VpUser(
      id: dto.id,
      emailAddress: dto.emailAddress,
      profilePicture: profilePicture,
      nickName: dto.nickName,
      createdBy: null, // to avoid infinite loop
      createdById: dto.createdById,
      createdDate: dto.createdDate,
      updatedDate: dto.updatedDate,
      updatedBy: null, // to avoid infinite loop
      updatedById: dto.updatedById,
    );
  }

  factory VpUser.fromJson(Map<String, dynamic> json) => _$VpUserFromJson(json);

  factory VpUser.fromThirdPartyUser(User thirdPartyUser) {
    VpImage? image;

    if (thirdPartyUser.photoURL != null &&
        thirdPartyUser.photoURL!.isNotEmpty) {
      final position = thirdPartyUser.photoURL!.lastIndexOf('/') + 1;
      final fileName = thirdPartyUser.photoURL!
          .substring(position, thirdPartyUser.photoURL!.length);

      image = VpImage(
          fileName: fileName,
          url: thirdPartyUser.photoURL,
          bucketName: 'vp-profile-pictures');
    }

    final entity = VpUser(
        id: thirdPartyUser.uid,
        emailAddress: thirdPartyUser.email,
        profilePicture: image,
        nickName: thirdPartyUser.displayName,
        thirdPartyUser: thirdPartyUser);
    return entity;
  }

  const VpUser._();

  @override
  int get hashCode => Object.hash(
        runtimeType,
        const DeepCollectionEquality().hash(nickName),
        const DeepCollectionEquality().hash(emailAddress),
      );

  String get vpFileName {
    return sanitiseFileName('user-${id!}');
  }

  @override
  bool operator ==(Object other) =>
      other is VpUser &&
      other.runtimeType == runtimeType &&
      other.nickName == nickName &&
      other.emailAddress == emailAddress;

  @override
  VpUserDto toDto() {
    return VpUserDto(
      id: id,
      emailAddress: emailAddress,
      profilePicture: profilePicture?.url,
      nickName: nickName,
      createdBy: null, // to avoid infinite loop
      createdById: createdById,
      createdDate: createdDate,
      updatedDate: updatedDate,
      updatedBy: null, // to avoid infinite loop
      updatedById: updatedById,
    );
  }

  VpUserDto userToDto() {
    return VpUserDto(
      id: id,
      emailAddress: emailAddress,
      profilePicture: profilePicture?.url,
      nickName: nickName,
      createdBy: null, // to avoid infinite loop
      createdById: createdById,
      createdDate: createdDate,
      updatedDate: updatedDate,
      updatedBy: null, // to avoid infinite loop
      updatedById: updatedById,
    );
  }
}