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 --> 3d83a2c2910fcb17e13c6f35fe7c78cc4e36a577252cc8535c7da9e7138fea4b:6:35 | 6 | let sentVault: @FungibleToken.Vault | ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}` error: cannot find type in this scope: `AuthAccount` --> 3d83a2c2910fcb17e13c6f35fe7c78cc4e36a577252cc8535c7da9e7138fea4b:8:36 | 8 | prepare(signer: AuthAccount) { | ^^^^^^^^^^^ not found in this scope error: value of type `&Account` has no member `getCapability` --> 3d83a2c2910fcb17e13c6f35fe7c78cc4e36a577252cc8535c7da9e7138fea4b:17:29 | 17 | .getCapability(/public/flowTokenReceiver) | ^^^^^^^^^^^^^ unknown member