Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction preprocess failed: [Error Code: 1101] cadence runtime error: Execution failed:
error: cannot find type in this scope: `AuthAccount`
 --> 1bc697b28f7129d36730c70d51aa6a971d4577ab9151056587caf2511148cb4f:4:17
  |
4 | 	prepare(signer: AuthAccount) {
  | 	                ^^^^^^^^^^^ not found in this scope

error: cannot find variable in this scope: `AuthAccount`
 --> 1bc697b28f7129d36730c70d51aa6a971d4577ab9151056587caf2511148cb4f:5:16
  |
5 | 		let account = AuthAccount(payer: signer)
  | 		              ^^^^^^^^^^^ not found in this scope