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`
 --> 887a2f30e7d293e2ad224fef1ea2238625371dafe571867d6c05b7153d1698ba:3:30
  |
3 |               prepare(signer: AuthAccount) {
  |                               ^^^^^^^^^^^ not found in this scope

error: cannot find variable in this scope: `AuthAccount`
 --> 887a2f30e7d293e2ad224fef1ea2238625371dafe571867d6c05b7153d1698ba:9:30
  |
9 |                 let account = AuthAccount(payer: signer)
  |                               ^^^^^^^^^^^ not found in this scope