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`
  --> d99542b7aa966d762666fc7d9d83ee277f3e863acb30b5bcd7f0edf3af22d94c:16:20
   |
16 |     prepare(signer: AuthAccount) {
   |                     ^^^^^^^^^^^ not found in this scope