it is not working

[manish1238]

error: Target of URI doesn't exist: 'package:day59/models/categories/CategoryModel.freezed.dart'. (uri_does_not_exist at [day59] lib/models/categories/CategoryModel.dart:4)
error: Target of URI hasn't been generated: 'package:day59/models/categories/CategoryModel.g.dart'. (uri_has_not_been_generated at [day59] lib/models/categories/CategoryModel.dart:5)
error: The name 'CategoryModel' isn't a type and can't be used in a redirected constructor. (redirect_to_non_class at [day59] lib/models/categories/CategoryModel.dart:13)
error: The method '$CategoryModelFromJson' isn't defined for the type 'CategoryModel'. (undefined_method at [day59] lib/models/categories/CategoryModel.dart:15)
error: Target of URI doesn't exist: 'package:day59/models/offers/OfferModel.freezed.dart'. (uri_does_not_exist at [day59] lib/models/offers/OfferModel.dart:4)
error: Target of URI hasn't been generated: 'package:day59/models/offers/OfferModel.g.dart'. (uri_has_not_been_generated at [day59] lib/models/offers/OfferModel.dart:5)
error: The name 'OfferModel' isn't a type and can't be used in a redirected constructor. (redirect_to_non_class at [day59] lib/models/offers/OfferModel.dart:17)
error: The method '$OfferModelFromJson' isn't defined for the type 'OfferModel'. (undefined_method at [day59] lib/models/offers/OfferModel.dart:19)
error: Target of URI doesn't exist: 'package:day59/models/products/ProductModel.freezed.dart'. (uri_does_not_exist at [day59] lib/models/products/ProductModel.dart:5)
error: Target of URI hasn't been generated: 'package:day59/models/products/ProductModel.g.dart'. (uri_has_not_been_generated at [day59] lib/models/products/ProductModel.dart:6)
error: The name 'ProductModel' isn't a type and can't be used in a redirected constructor. (redirect_to_non_class at [day59] lib/models/products/ProductModel.dart:27)
error: The method '$ProductModelFromJson' isn't defined for the type 'ProductModel'. (undefined_method at [day59] lib/models/products/ProductModel.dart:29)
error: The getter 'image' isn't defined for the type 'OfferModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:104)
error: The getter 'image' isn't defined for the type 'CategoryModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:147)
error: The getter 'name' isn't defined for the type 'CategoryModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:162)
error: The getter 'id' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:220)
error: The getter 'image' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:237)
error: The getter 'name' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:246)
error: The getter 'brand' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:248)
error: The getter 'price' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:252)
error: The getter 'discountPrice' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/home/tabs/ExploreTab.dart:256)
error: The getter 'image' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/product/ProductPage.dart:53)
error: The getter 'brand' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/product/ProductPage.dart:96)
error: The getter 'name' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/product/ProductPage.dart:98)
error: The getter 'rating' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/product/ProductPage.dart:104)
error: The getter 'price' isn't defined for the type 'ProductModel'. (undefined_getter at [day59] lib/views/product/ProductPage.dart:120)