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`
 --> c4847abc25be31e266f2a8f701daa12a0102a0ac96351ef30145d5b08daf4eb8:3:18
  |
3 | 		prepare(signer: AuthAccount) {
  | 		                ^^^^^^^^^^^ not found in this scope