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`
  --> 6d0782deb9bf370b03b39c5cc57bc4132a69d8ccf6cc7e4272da4b28a6b4d225:16:20
   |
16 |     prepare(signer: AuthAccount) {
   |                     ^^^^^^^^^^^ not found in this scope