CODE_ERROR

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

[Error Code: 1101] error caused by: 1 error occurred: * transaction preprocess failed: [Error Code: 1101] cadence runtime error: Execution failed: error: invalid use of interface as type --> c397bddb577ba938fe91bcb90b2808b7afbf14135bc32dd6319a9edbdaf610a1:5:16 | 5 | let sentVault: @FungibleToken.Vault | ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}` error: cannot find type in this scope: `AuthAccount` --> c397bddb577ba938fe91bcb90b2808b7afbf14135bc32dd6319a9edbdaf610a1:6:17 | 6 | prepare(signer: AuthAccount) { | ^^^^^^^^^^^ not found in this scope error: value of type `&Account` has no member `getCapability` --> c397bddb577ba938fe91bcb90b2808b7afbf14135bc32dd6319a9edbdaf610a1:15:3 | 15 | .getCapability(/public/flowTokenReceiver) | ^^^^^^^^^^^^^ unknown member