CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: mismatched types --> 8f3e345219de6fed.NFL:93:20 | 93 | return &self.ownedNFTs[id] as &NonFungibleToken.NFT | ^^^^^^^^^^^^^^^^^^ expected `NonFungibleToken.NFT`, got `NonFungibleToken.NFT?` error: mismatched types --> 8f3e345219de6fed.NFL:110:27 | 110 | let ref = &self.ownedNFTs[id] as auth &NonFungibleToken.NFT | ^^^^^^^^^^^^^^^^^^ expected `NonFungibleToken.NFT`, got `NonFungibleToken.NFT?` error: cannot find variable in this scope: `NFL` --> ef01ac0c027f802206425c8f43b690abc6f3cde9631f5ed7f6ed2d1b5bf0ae48:8:42 | 8 | let collection <- NFL.createEmptyCollection() | ^^^ not found in this scope error: mismatched types for type parameter --> ef01ac0c027f802206425c8f43b690abc6f3cde9631f5ed7f6ed2d1b5bf0ae48:11:64 | 11 | acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/NFLCollection) | ^^^^^^^^^^^^ type parameter T is bound to `NonFungibleToken.Collection`, but got `<<invalid>>` here error: cannot find type in this scope: `NFL` --> ef01ac0c027f802206425c8f43b690abc6f3cde9631f5ed7f6ed2d1b5bf0ae48:17:35 | 17 | acct.link<&NFL.Collection{NonFungibleToken.CollectionPublic, NFL.NFLCollectionPublic}>(NFL.CollectionPublicPath, target: NFL.CollectionStoragePath) | ^^^ not found in this scope error: cannot find type in this scope: `NFL` --> ef01ac0c027f802206425c8f43b690abc6f3cde9631f5ed7f6ed2d1b5bf0ae48:17:85 | 17 | acct.link<&NFL.Collection{NonFungibleToken.CollectionPublic, NFL.NFLCollectionPublic}>(NFL.CollectionPublicPath, target: NFL.CollectionStoragePath) | ^^^ not found in this scope error: cannot find variable in this scope: `NFL` --> ef01ac0c027f802206425c8f43b690abc6f3cde9631f5ed7f6ed2d1b5bf0ae48:17:111 | 17 | acct.link<&NFL.Collection{NonFungibleToken.CollectionPublic, NFL.NFLCollectionPublic}>(NFL.CollectionPublicPath, target: NFL.CollectionStoragePath) | ^^^ not found in this scope error: cannot find variable in this scope: `NFL` --> ef01ac0c027f802206425c8f43b690abc6f3cde9631f5ed7f6ed2d1b5bf0ae48:17:145 | 17 | acct.link<&NFL.Collection{NonFungibleToken.CollectionPublic, NFL.NFLCollectionPublic}>(NFL.CollectionPublicPath, target: NFL.CollectionStoragePath) | ^^^ not found in this scope error: cannot infer type parameter: `T` --> ef01ac0c027f802206425c8f43b690abc6f3cde9631f5ed7f6ed2d1b5bf0ae48:17:24 | 17 | acct.link<&NFL.Collection{NonFungibleToken.CollectionPublic, NFL.NFLCollectionPublic}>(NFL.CollectionPublicPath, target: NFL.CollectionStoragePath) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^