# Error Reporting

## Error Codes

| Code | Name                            | Description                                                                          |
| ---- | ------------------------------- | ------------------------------------------------------------------------------------ |
| 0    | `NO_ERROR`                      | Not a failure.                                                                       |
| 1    | `UNAUTHORIZED`                  | The sender is not authorized to perform this action.                                 |
| 2    | `COMPTROLLER_MISMATCH`          | Liquidation cannot be performed in markets with different comptrollers.              |
| 3    | `INSUFFICIENT_SHORTFALL`        | The account does not have sufficient shortfall to perform this action.               |
| 4    | `INSUFFICIENT_LIQUIDITY`        | The account does not have sufficient liquidity to perform this action.               |
| 5    | `INVALID_CLOSE_FACTOR`          | The close factor is not valid.                                                       |
| 6    | `INVALID_COLLATERAL_FACTOR`     | The collateral factor is not valid.                                                  |
| 7    | `INVALID_LIQUIDATION_INCENTIVE` | The liquidation incentive is invalid.                                                |
| 8    | `MARKET_NOT_ENTERED`            | The market has not been entered by the account.                                      |
| 9    | `MARKET_NOT_LISTED`             | The market is not currently listed by the comptroller.                               |
| 10   | `MARKET_ALREADY_LISTED`         | An admin tried to list the same market more than once.                               |
| 11   | `MATH_ERROR`                    | A math calculation error occurred.                                                   |
| 12   | `NONZERO_BORROW_BALANCE`        | The action cannot be performed since the account carries a borrow balance.           |
| 13   | `PRICE_ERROR`                   | The comptroller could not obtain a required price of an asset.                       |
| 14   | `REJECTION`                     | The comptroller rejects the action requested by the market.                          |
| 15   | `SNAPSHOT_ERROR`                | The comptroller could not get the account borrows and exchange rate from the market. |
| 16   | `TOO_MANY_ASSETS`               | Attempted to enter more markets than are currently supported.                        |
| 17   | `TOO_MUCH_REPAY`                | Attempted to repay more than is allowed by the protocol.                             |

## Failure Info

| Code | Name                                          |
| ---- | --------------------------------------------- |
| 0    | `ACCEPT_ADMIN_PENDING_ADMIN_CHECK`            |
| 1    | `ACCEPT_PENDING_IMPLEMENTATION_ADDRESS_CHECK` |
| 2    | `EXIT_MARKET_BALANCE_OWED`                    |
| 3    | `EXIT_MARKET_REJECTION`                       |
| 4    | `SET_CLOSE_FACTOR_OWNER_CHECK`                |
| 5    | `SET_CLOSE_FACTOR_VALIDATION`                 |
| 6    | `SET_COLLATERAL_FACTOR_OWNER_CHECK`           |
| 7    | `SET_COLLATERAL_FACTOR_NO_EXISTS`             |
| 8    | `SET_COLLATERAL_FACTOR_VALIDATION`            |
| 9    | `SET_COLLATERAL_FACTOR_WITHOUT_PRICE`         |
| 10   | `SET_IMPLEMENTATION_OWNER_CHECK`              |
| 11   | `SET_LIQUIDATION_INCENTIVE_OWNER_CHECK`       |
| 12   | `SET_LIQUIDATION_INCENTIVE_VALIDATION`        |
| 13   | `SET_MAX_ASSETS_OWNER_CHECK`                  |
| 14   | `SET_PENDING_ADMIN_OWNER_CHECK`               |
| 15   | `SET_PENDING_IMPLEMENTATION_OWNER_CHECK`      |
| 16   | `SET_PRICE_ORACLE_OWNER_CHECK`                |
| 17   | `SUPPORT_MARKET_EXISTS`                       |
| 18   | `SUPPORT_MARKET_OWNER_CHECK`                  |