[Error Code: 1101] error caused by: 1 error occurred: * transaction preprocess failed: [Error Code: 1101] cadence runtime error: Execution failed: error: value of type `auth(BorrowValue) &Account` has no member `borrow` --> 266977363521027baf483a60e9a5a3585e70d1c673f01b1ba3c54fb0183c8b1b:12:18 | 12 | if signer.borrow<&ExampleNFT.Collection>(from: ExampleNFT.CollectionStoragePath) != nil { | ^^^^^^ unknown member error: too few arguments --> 266977363521027baf483a60e9a5a3585e70d1c673f01b1ba3c54fb0183c8b1b:17:26 | 17 | let collection <- ExampleNFT.createEmptyCollection() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected at least 1, got 0 error: value of type `auth(BorrowValue) &Account` has no member `save` --> 266977363521027baf483a60e9a5a3585e70d1c673f01b1ba3c54fb0183c8b1b:20:15 | 20 | signer.save(<-collection, to: ExampleNFT.CollectionStoragePath) | ^^^^ unknown member error: value of type `auth(BorrowValue) &Account` has no member `link` --> 266977363521027baf483a60e9a5a3585e70d1c673f01b1ba3c54fb0183c8b1b:23:15 | 23 | signer.link<&{NonFungibleToken.CollectionPublic, ExampleNFT.ExampleNFTCollectionPublic, MetadataViews.ResolverCollection}>( | ^^^^ unknown member
Happy diving into the flow Remember to upgrade your contracts to 1.0!