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
 --> f6339c76b6c086e61bc0d83fefa6f637ab730832a9ab3ada7c0ac16fae493870:6:19
  |
6 |     let sentVault: @FungibleToken.Vault
  |                    ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}`

error: cannot find type in this scope: `AuthAccount`
 --> f6339c76b6c086e61bc0d83fefa6f637ab730832a9ab3ada7c0ac16fae493870:8:20
  |
8 |     prepare(signer: AuthAccount) {
  |                     ^^^^^^^^^^^ not found in this scope

error: value of type `&Account` has no member `getCapability`
  --> f6339c76b6c086e61bc0d83fefa6f637ab730832a9ab3ada7c0ac16fae493870:19:13
   |
19 |             .getCapability(/public/flowTokenReceiver)
   |              ^^^^^^^^^^^^^ unknown member