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`
 --> 8d6995568fe235a3b7254d278d6ef250e5fdb8ae0768384fe15e00742811bebd:3:20
  |
3 |     prepare(signer: AuthAccount) {
  |                     ^^^^^^^^^^^ not found in this scope