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
 --> 8c9edee787d007130dc58666985b77905e956e430433dc8ed19f65145b3eef30:6:17
  |
6 |   let sentVault: @FungibleToken.Vault
  |                  ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}`

error: cannot find type in this scope: `AuthAccount`
 --> 8c9edee787d007130dc58666985b77905e956e430433dc8ed19f65145b3eef30:8:18
  |
8 |   prepare(signer: AuthAccount) {
  |                   ^^^^^^^^^^^ not found in this scope

error: value of type `&Account` has no member `getCapability`
  --> 8c9edee787d007130dc58666985b77905e956e430433dc8ed19f65145b3eef30:18:7
   |
18 |       .getCapability(/public/flowTokenReceiver)
   |        ^^^^^^^^^^^^^ unknown member