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`
 --> 6a6529d4f8b42d3076cb9d2464bfd1f3364d9a91cf8c8d2342c825d2ad084e54:3:18
  |
3 | 		prepare(signer: AuthAccount) {
  | 		                ^^^^^^^^^^^ not found in this scope