Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed:
  --> d998964fac8f8259de9a4fd0b22fb366e9dda6098fe4cb3f05979fdc25ca84d6:13:8
   |
13 |         self.stakingCollection.registerDelegator(
14 |             nodeID: "4d616b73205061776c616b006b97804baafee061a7fe607b26a5d820c74e8540",
15 |             amount: 0.0)
   |         ^^^^^^^^^^^^^^^^

   --> b6763b4399a888c8.FlowStakingCollection:634:26
    |
634 |             let tokens <- self.getTokens(amount: amount)
    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: underflow
   --> b6763b4399a888c8.FlowStakingCollection:185:34
    |
185 |             let unlockedBalance = unlockedVault.balance - FlowStorageFees.minimumStorageReservation
    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^