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
 --> e2e8c87e2037c0dfc541cd7591e07438b698c348ef86f5abab53ec2fbac4b537:7:19
  |
7 |     let sentVault: @FungibleToken.Vault
  |                    ^^^^^^^^^^^^^^^^^^^^ got `FungibleToken.Vault`; consider using `{FungibleToken.Vault}`

error: cannot find type in this scope: `AuthAccount`
 --> e2e8c87e2037c0dfc541cd7591e07438b698c348ef86f5abab53ec2fbac4b537:9:20
  |
9 |     prepare(signer: AuthAccount) {
  |                     ^^^^^^^^^^^ not found in this scope

error: value of type `&Account` has no member `getCapability`
  --> e2e8c87e2037c0dfc541cd7591e07438b698c348ef86f5abab53ec2fbac4b537:23:13
   |
23 |             .getCapability(/public/flowTokenReceiver)
   |              ^^^^^^^^^^^^^ unknown member