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`
 --> 1c518de080092f24d79511dc0d02826322309b09851cf9327e8f1ead56a392a7:6:20
  |
6 |     prepare(signer: AuthAccount) {
  |                     ^^^^^^^^^^^ not found in this scope