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`
  --> 153ff619823803797f4a685c3b7a962acd2da0763092d6d5d9ffcfe7f6f291d4:23:20
   |
23 |     prepare(signer: AuthAccount) {
   |                     ^^^^^^^^^^^ not found in this scope