Transaction Error Codes

Klaytn provides a field txError in the transaction receipt to give developers more information about the reason for the failed transaction execution. This field exists only if the transaction execution is failed. To save storage and network bandwidth, txError contains an integer value. The below table shows the meaning of the value in txError.

Error Code
Description

0x02

VM error occurs while running smart contract

0x03

max call depth exceeded

0x04

contract address collision

0x05

contract creation code storage out of gas

0x06

evm: max code size exceeded

0x07

out of gas

0x08

evm: write protection

0x09

evm: execution reverted

0x0a

reached the opcode computation cost limit (100000000) for tx

0x0b

account already exists

0x0c

not a program account (e.g., an account having code and storage)

0x0d

Human-readable address is not supported now

0x0e

fee ratio is out of range [1, 99]

0x0f

AccountKeyFail is not updatable

0x10

different account key type

0x11

AccountKeyNil cannot be initialized to an account

0x12

public key is not on curve

0x13

key weight is zero

0x14

key is not serializable

0x15

duplicated key

0x16

weighted sum overflow

0x17

unsatisfiable threshold. Weighted sum of keys is less than the threshold.

0x18

length is zero

0x19

length too long

0x1a

nested composite type

0x1b

a legacy transaction must be with a legacy account key

0x1c

deprecated feature

0x1d

not supported

0x1e

smart contract code format is invalid

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