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
 --> 7995365bfdfa479279c620924fd806db50cd79433d4ab6e81b8ee8f1feb044c8:8:27
  |
8 |             let sentVault: @FungibleToken.Vault
  |                            ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}`

error: cannot find type in this scope: `AuthAccount`
  --> 7995365bfdfa479279c620924fd806db50cd79433d4ab6e81b8ee8f1feb044c8:10:28
   |
10 |             prepare(signer: AuthAccount) {
   |                             ^^^^^^^^^^^ not found in this scope

error: value of type `&Account` has no member `getCapability`
  --> 7995365bfdfa479279c620924fd806db50cd79433d4ab6e81b8ee8f1feb044c8:26:44
   |
26 |                 let receiverRef = recipient.getCapability(/public/flowTokenReceiver)!.borrow<&{FungibleToken.Receiver}>()
   |                                             ^^^^^^^^^^^^^ unknown member