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 --> 8e4fa1ff5efae8ed1495e901a6fd705ad66fa0ae0f4e6747e1250ea97358ed34:6:35 | 6 | let sentVault: @FungibleToken.Vault | ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}` error: cannot find type in this scope: `AuthAccount` --> 8e4fa1ff5efae8ed1495e901a6fd705ad66fa0ae0f4e6747e1250ea97358ed34:8:36 | 8 | prepare(signer: AuthAccount) { | ^^^^^^^^^^^ not found in this scope error: value of type `&Account` has no member `getCapability` --> 8e4fa1ff5efae8ed1495e901a6fd705ad66fa0ae0f4e6747e1250ea97358ed34:17:29 | 17 | .getCapability(/public/flowTokenReceiver) | ^^^^^^^^^^^^^ unknown member