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`
 --> 3d9971692e5f367bba4ee254a397636b5b763b3deb48546c0895452ec22b15c7:6:20
  |
6 |     prepare(signer: AuthAccount) {
  |                     ^^^^^^^^^^^ not found in this scope