CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] cadence runtime error Execution failed: error: mismatched types --> 34ac358b9819f79d.NFTKred:141:20 | 141 | return &self.ownedNFTs[id] as &NonFungibleToken.NFT | ^^^^^^^^^^^^^^^^^^ expected `NonFungibleToken.NFT`, got `NonFungibleToken.NFT?` error: mismatched types --> 34ac358b9819f79d.NFTKred:158:27 | 158 | let ref = &self.ownedNFTs[id] as auth &NonFungibleToken.NFT | ^^^^^^^^^^^^^^^^^^ expected `NonFungibleToken.NFT`, got `NonFungibleToken.NFT?` error: cannot find variable in this scope: `NFTKred` --> 8d509fa059505a4780e8ba586b38968a8338dc74c28bdda59b3e03bd91c480ca:8:42 | 8 | let collection <- NFTKred.createEmptyCollection() | ^^^^^^^ not found in this scope error: mismatched types for type parameter --> 8d509fa059505a4780e8ba586b38968a8338dc74c28bdda59b3e03bd91c480ca:11:64 | 11 | acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/NFTKredCollection) | ^^^^^^^^^^^^ type parameter T is bound to `NonFungibleToken.Collection`, but got `<<invalid>>` here error: cannot find type in this scope: `NFTKred` --> 8d509fa059505a4780e8ba586b38968a8338dc74c28bdda59b3e03bd91c480ca:17:35 | 17 | acct.link<&NFTKred.Collection{NonFungibleToken.CollectionPublic, NFTKred.NFTKredCollectionPublic}>(NFTKred.CollectionPublicPath, target: NFTKred.CollectionStoragePath) | ^^^^^^^ not found in this scope error: cannot find type in this scope: `NFTKred` --> 8d509fa059505a4780e8ba586b38968a8338dc74c28bdda59b3e03bd91c480ca:17:89 | 17 | acct.link<&NFTKred.Collection{NonFungibleToken.CollectionPublic, NFTKred.NFTKredCollectionPublic}>(NFTKred.CollectionPublicPath, target: NFTKred.CollectionStoragePath) | ^^^^^^^ not found in this scope error: cannot find variable in this scope: `NFTKred` --> 8d509fa059505a4780e8ba586b38968a8338dc74c28bdda59b3e03bd91c480ca:17:123 | 17 | acct.link<&NFTKred.Collection{NonFungibleToken.CollectionPublic, NFTKred.NFTKredCollectionPublic}>(NFTKred.CollectionPublicPath, target: NFTKred.CollectionStoragePath) | ^^^^^^^ not found in this scope error: cannot find variable in this scope: `NFTKred` --> 8d509fa059505a4780e8ba586b38968a8338dc74c28bdda59b3e03bd91c480ca:17:161 | 17 | acct.link<&NFTKred.Collection{NonFungibleToken.CollectionPublic, NFTKred.NFTKredCollectionPublic}>(NFTKred.CollectionPublicPath, target: NFTKred.CollectionStoragePath) | ^^^^^^^ not found in this scope error: cannot infer type parameter: `T` --> 8d509fa059505a4780e8ba586b38968a8338dc74c28bdda59b3e03bd91c480ca:17:24 | 17 | acct.link<&NFTKred.Collection{NonFungibleToken.CollectionPublic, NFTKred.NFTKredCollectionPublic}>(NFTKred.CollectionPublicPath, target: NFTKred.CollectionStoragePath) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^