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`
 --> 864c67017ae00c6fc950d88be268ca6c2e2256b192710b3878f9f2c64fd10a90:6:20
  |
6 |     prepare(signer: AuthAccount) {
  |                     ^^^^^^^^^^^ not found in this scope