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`
 --> f95599c8f86e462007ad2a660f5dd156a3fbb74c7ede4ba9f08ec63506ec27c7:4:17
  |
4 | 	prepare(signer: AuthAccount) {
  | 	                ^^^^^^^^^^^ not found in this scope

error: cannot find variable in this scope: `AuthAccount`
 --> f95599c8f86e462007ad2a660f5dd156a3fbb74c7ede4ba9f08ec63506ec27c7:5:16
  |
5 | 		let account = AuthAccount(payer: signer)
  | 		              ^^^^^^^^^^^ not found in this scope