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
 --> 64e88e2a860d50cd56ef7369312ac6ec286937869b996e62ea82181bd31900b3:7:18
  |
7 |    let sentVault: @FungibleToken.Vault
  |                   ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}`

error: cannot find type in this scope: `AuthAccount`
 --> 64e88e2a860d50cd56ef7369312ac6ec286937869b996e62ea82181bd31900b3:9:19
  |
9 |    prepare(signer: AuthAccount) {
  |                    ^^^^^^^^^^^ not found in this scope

error: value of type `&Account` has no member `getCapability`
  --> 64e88e2a860d50cd56ef7369312ac6ec286937869b996e62ea82181bd31900b3:23:12
   |
23 |            .getCapability(/public/flowTokenReceiver)
   |             ^^^^^^^^^^^^^ unknown member