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`
 --> cc99ea2aeb1d32fcdc9379af001745ebb00ee184ece14f0479411caa307269a1:6:20
  |
6 |     prepare(signer: AuthAccount) {
  |                     ^^^^^^^^^^^ not found in this scope