diff --git a/src/errors/errors.ts b/src/errors/errors.ts
index 7b5f24f..5162b7a 100644
--- a/src/errors/errors.ts
+++ b/src/errors/errors.ts
@@ -31,6 +31,7 @@ export enum ContractErrorCode {
     NOT_ENOUGH_LIQUIDITY = "OB_NEL",
     NON_EXISTENT_OPEN_ORDER = "OB_NEO",
     MARKET_NUMBER_EXCEEDS = "AB_MNE",
+    OVER_MAXIMUM_PRICE_SPREAD = "CH_OMPS",
 
     /* UNISWAP ERROR */
     LIQUIDITY_MATH_ERROR_LS = "LS", // https://github.com/Uniswap/v3-core/blob/f03155670ec1667406b83a539e23dcccf32a03bc/contracts/libraries/LiquidityMath.sol#L12
@@ -71,6 +72,7 @@ export enum ErrorName {
     NOT_ENOUGH_LIQUIDITY_ERROR = "not_enough_liquidity_error",
     NON_EXISTENT_OPEN_ORDER_ERROR = "non_existent_open_order_error",
     MARKET_NUMBER_EXCEEDS_ERROR = "market_number_exceeds_error",
+    OVER_MAXIMUM_PRICE_SPREAD_ERROR = "over_maximum_price_spread_error",
 
     /* UNISWAP Error*/
     UNISWAP_ERROR = "uniswap_error",
@@ -372,6 +374,13 @@ export class MarketNumberExceedsError extends ContractWriteError<AccountBalance>
     }
 }
 
+export class OverMaximumPriceSpreadError extends ContractWriteError<ClearingHouse> {
+    constructor(data: ContractWriteErrorParams<keyof ClearingHouse>) {
+        super({ ...data })
+        this.name = ErrorName.OVER_MAXIMUM_PRICE_SPREAD_ERROR
+    }
+}
+
 // NOTE: if wanna see the detail message of uniswap error, see the rawError fields
 export class UniswapV3Error extends ContractWriteError<ClearingHouse> {
     constructor(data: ContractWriteErrorParams<keyof ClearingHouse>) {
diff --git a/src/transactionSender/errorFactory.ts b/src/transactionSender/errorFactory.ts
index 60871ff..848bccc 100644
--- a/src/transactionSender/errorFactory.ts
+++ b/src/transactionSender/errorFactory.ts
@@ -18,6 +18,7 @@ import {
     isRpcNativeGasTooLowError,
     isRpcNativeUserDeniedError,
     MarketNumberExceedsError,
+    OverMaximumPriceSpreadError,
 } from "../errors"
 import { ClearingHouse, Exchange, OrderBook } from "../contracts/type"
 
@@ -101,6 +102,10 @@ export function getTransactionErrorFactory({
             ErrorClass = MarketNumberExceedsError
             break
         }
+        case ContractErrorCode.OVER_MAXIMUM_PRICE_SPREAD: {
+            ErrorClass = OverMaximumPriceSpreadError
+            break
+        }
         default: {
             ErrorClass = ContractWriteError
         }