Troubleshooting Errors

Error Codes

In order to reduce gas usage and code size, Bend contracts return numbered errors. If you are making calls to the protocol and receive numbered errors, you can use the reference below to know what is the error. Alternatively, you can also find what the numbers represent by checking the Errors.sol.

Reference Guide

Error Class	Error Code(string)	Description
Common Errors	100	Caller is not Pool Admin
Common Errors	101	Caller is not Address Provider
Common Errors	102	Invalid from balance after transfer
Common Errors	103	Invalid to balance after transfer
Math Library Errors	200	Multiplication overflow
Math Library Errors	201	Addition overflow
Math Library Errors	202	Divided by zero
Validation & check Errors	301	Amount must be greater than 0
Validation & check Errors	308	There is not enough collateral to cover a new borrow
Lend Pool Loan Errors	484	Bid price is less than liquidation price
Lend Pool Loan Errors	485	Bid price is less than previous highest price
Lend Pool Loan Errors	486	Redeem duration has ended
Lend Pool Loan Errors	489	Auction has ended
Lend Pool Loan Errors	490	Auction is not end