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`
  --> 72cdf310b5c69a5b888d71365aa61699616097b66d278a46df84981cb8beff8a:23:20
   |
23 |     prepare(signer: AuthAccount) {
   |                     ^^^^^^^^^^^ not found in this scope