diff --git a/src/LiquidityManagerV2.sol b/src/LiquidityManagerV2.sol
index 4ae5be5..ef08081 100644
--- a/src/LiquidityManagerV2.sol
+++ b/src/LiquidityManagerV2.sol
@@ -25,4 +25,11 @@ contract LiquidityManagerV2 is Ownable, ReentrancyGuard, Pausable {
     using SafeERC20 for IERC20;
     using CurrencyLibrary for Currency;
 
+    ////////////////////
+    // Custom Errors //
+    //////////////////
+    error LiquidityManager__PoolAlreadyInitialized();
+    error LiquidityManager__PoolNotInitialized();
+    error LiquidityManager__InvalidTokenAddress();
+
 }