Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction preprocess failed: [Error Code: 1101] cadence runtime error: Execution failed:
error: cannot find variable in this scope: `vault`
  --> 45967ed4be5bfeced7dceb833f18e4e492b942ae9b147a8822cb89c1a592b6aa:25:43
   |
25 |         self.stakingVault.deposit(from: <- vault.withdraw(amount: minStake) as! @FlowToken.Vault)
   |                                            ^^^^^ not found in this scope