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 --> 2a866ec6a5aa919566e1225b42bd5cec20c2d66776ded22f22e05b2c2cc1ae5f:6:17 | 6 | let sentVault: @FungibleToken.Vault | ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}` error: cannot find type in this scope: `AuthAccount` --> 2a866ec6a5aa919566e1225b42bd5cec20c2d66776ded22f22e05b2c2cc1ae5f:7:18 | 7 | prepare(signer: AuthAccount) { | ^^^^^^^^^^^ not found in this scope error: value of type `&Account` has no member `getCapability` --> 2a866ec6a5aa919566e1225b42bd5cec20c2d66776ded22f22e05b2c2cc1ae5f:16:7 | 16 | .getCapability(/public/flowTokenReceiver) | ^^^^^^^^^^^^^ unknown member