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`
  --> 6932b5ec72b05ca569e6cb507ec1a6069ff4de60130dbc29b69c3f1bb898b15d:16:20
   |
16 |     prepare(signer: AuthAccount) {
   |                     ^^^^^^^^^^^ not found in this scope