Error when trying to mint nft collection using cardanocli-js

Error: Command failed: cardano-cli transaction submit --testnet-magic 1097911063 --tx-file /home/umer/cardano-minter-collection/src/…//tmp/tx_g4ty502zi.signed
Command failed: transaction submit Error: Error while submitting tx: ShelleyTxValidationError ShelleyBasedEraAlonzo (ApplyTxError [UtxowFailure (WrappedShelleyEraFailure (UtxoFailure (ValueNotConservedUTxO (Value 20000000 (fromList [(PolicyID {policyID = ScriptHash “6d566ad1e649b6e86a2f4fa16a4cdf99616230b78742332cbabc5fa4”},fromList [("",15)])])) (Value 20000000 (fromList [(PolicyID {policyID = ScriptHash “6d566ad1e649b6e86a2f4fa16a4cdf99616230b78742332cbabc5fa4”},fromList [("",1)])])))))])