CODE_ERROR

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

[Error Code: 1101] cadence runtime error Execution failed: error: cannot find variable in this scope: `buyer` --> b76d7380a3f81d5f3dde47f7cadf46e22cf107a99cd6aa9e7e8529f54d8c75cd:9:7 | 9 | if buyer.borrow<&Collector.Collection>(from: Collector.CollectionStoragePath) == nil { | ^^^^^ not found in this scope error: cannot find variable in this scope: `buyer` --> b76d7380a3f81d5f3dde47f7cadf46e22cf107a99cd6aa9e7e8529f54d8c75cd:11:6 | 11 | buyer.save(<-collection, to: Collector.CollectionStoragePath) | ^^^^^ not found in this scope error: cannot find variable in this scope: `buyer` --> b76d7380a3f81d5f3dde47f7cadf46e22cf107a99cd6aa9e7e8529f54d8c75cd:12:6 | 12 | buyer.link<&Collector.Collection{NonFungibleToken.CollectionPublic, Collector.NFTCollectionPublic, MetadataViews.ResolverCollection}>(Collector.CollectionPublicPath, target: Collector.CollectionStoragePath) | ^^^^^ not found in this sco