CODE_ERROR

There is an error in the cadence code of this transaction.

[Error Code: 1101] error caused by: 1 error occurred: * transaction execute failed: [Error Code: 1101] cadence runtime error: Execution failed: --> 844ba701249d10dd0f8a32eb7ba340360a2688de6d67ed4d5cc794f42b0373ee:16:8 | 16 | self.stakingCollectionRef.registerDelegator(nodeID: id, amount: amount) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --> 8d0e87b65159ae63.FlowStakingCollection:569:26 | 569 | let tokens <- self.getTokens(amount: amount) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: assertion failed: Insufficient total Flow balance --> 8d0e87b65159ae63.FlowStakingCollection:222:16 | 222 | assert( 223 | amount <= unlockedBalance, 224 | message: "Insufficient total Flow balance" 225 | ) | ^