# Comptroller

## 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                   |


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