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: error: failed to save object: path /storage/NFTKredCollection in account 0x7b9569efbd20446c already stores an object --> 1578116064b7c31a2e18b0bfee6e2549edb0fd32ea9f8be9e839f521e6680a5f:11:24 | 11 | acct.save<@NonFungibleToken.Collection>(<-collection, to: /storage/NFTKredCollection) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^