diff --git a/src/Managing.Application/Trading/Commands/OpenPositionRequest.cs b/src/Managing.Application/Trading/Commands/OpenPositionRequest.cs
index 49e1c61e..ea28c1ae 100644
--- a/src/Managing.Application/Trading/Commands/OpenPositionRequest.cs
+++ b/src/Managing.Application/Trading/Commands/OpenPositionRequest.cs
@@ -32,7 +32,7 @@ namespace Managing.Application.Trading.Commands
 
             if (amountToTrade <= Constants.GMX.Config.MinimumPositionAmount)
             {
-                throw new ArgumentException("Bot trading balance must be greater than zero", nameof(amountToTrade));
+                throw new ArgumentException("Bot trading balance must be greater than : 5usdc", nameof(amountToTrade));
             }
 
             AmountToTrade = amountToTrade;
diff --git a/src/Managing.Web3Proxy/src/generated/gmxsdk/utils/callContract.ts b/src/Managing.Web3Proxy/src/generated/gmxsdk/utils/callContract.ts
index fc0d55c8..bdd66b5c 100644
--- a/src/Managing.Web3Proxy/src/generated/gmxsdk/utils/callContract.ts
+++ b/src/Managing.Web3Proxy/src/generated/gmxsdk/utils/callContract.ts
@@ -148,9 +148,12 @@ export async function callContract(
     const txnInstance = { ...txnOpts };
 
     // Get gas limit
-    const gasLimit = opts.gasLimit
-      ? BigInt(opts.gasLimit)
-      : await getGasLimit(
+    let gasLimit: bigint;
+    if (opts.gasLimit) {
+      gasLimit = BigInt(opts.gasLimit);
+    } else {
+      try {
+        gasLimit = await getGasLimit(
           client,
           sdk.config.account as Address,
           contractAddress,
@@ -159,6 +162,21 @@ export async function callContract(
           params,
           opts.value !== undefined ? BigInt(opts.value) : undefined
         );
+      } catch (gasEstimateError: any) {
+        // Check if the error is related to allowance (common with stale RPC state)
+        const errorMessage = gasEstimateError?.message?.toLowerCase() || '';
+        if (errorMessage.includes('allowance') || errorMessage.includes('erc20')) {
+          console.warn('⚠️  Gas estimation failed due to potential stale RPC state, using fallback gas limit');
+          console.warn('Gas estimate error:', errorMessage);
+          // Use a conservative fallback gas limit for GMX multicall transactions
+          // GMX orders typically use 2-5M gas depending on complexity
+          gasLimit = 5000000n; // 5M gas limit as fallback
+        } else {
+          // Re-throw if it's a different error
+          throw gasEstimateError;
+        }
+      }
+    }
     txnInstance.gas = gasLimit;
 
     // Get gas price
diff --git a/src/Managing.Web3Proxy/src/plugins/custom/gmx.ts b/src/Managing.Web3Proxy/src/plugins/custom/gmx.ts
index 02677f45..0d3d6817 100644
--- a/src/Managing.Web3Proxy/src/plugins/custom/gmx.ts
+++ b/src/Managing.Web3Proxy/src/plugins/custom/gmx.ts
@@ -748,7 +748,7 @@ export const openGmxPositionImpl = async (
                 marketAddress: marketInfo.marketTokenAddress,
                 payTokenAddress: collateralToken.address,
                 collateralTokenAddress: collateralToken.address,
-                allowedSlippageBps: 50, // 0.5% slippage
+                allowedSlippageBps: 55, // 0.55% slippage
                 leverage: leverageBps,
                 skipSimulation: true,
                 referralCodeForTxn: encodeReferralCode("kaigen_ai"),
diff --git a/src/Managing.Web3Proxy/src/plugins/custom/privy.ts b/src/Managing.Web3Proxy/src/plugins/custom/privy.ts
index 7507e577..4b748a60 100644
--- a/src/Managing.Web3Proxy/src/plugins/custom/privy.ts
+++ b/src/Managing.Web3Proxy/src/plugins/custom/privy.ts
@@ -413,6 +413,7 @@ export async function signPrivyMessage(
  * @param spenderAddress The contract address to approve
  * @param chainId The chain ID
  * @param amount The amount to approve (optional, defaults to max amount)
+ * @param waitForConfirmation Whether to wait for the transaction to be confirmed on-chain (default: true)
  * @returns The transaction hash
  */
 export const approveContractImpl = async (
@@ -421,6 +422,7 @@ export const approveContractImpl = async (
   spenderAddress: string,
   chainId?: number,
   amount?: bigint,
+  waitForConfirmation: boolean = true
 ): Promise<string> => {
   try {
     // Create contract interface for ERC20 token
@@ -450,6 +452,17 @@ export const approveContractImpl = async (
       },
     } as any);
     
+    // Wait for the approval transaction to be confirmed to avoid race conditions
+    if (waitForConfirmation) {
+      console.log(`⏳ Waiting for approval transaction to be confirmed: ${hash}`);
+      const sdk = await getClientForAddress(walletAddress);
+      const receipt = await sdk.publicClient.waitForTransactionReceipt({ 
+        hash: hash as `0x${string}`,
+        confirmations: 1 // Wait for at least 1 confirmation
+      });
+      console.log(`✅ Approval transaction confirmed in block ${receipt.blockNumber}`);
+    }
+    
     return hash;
   } catch (error) {
     console.error('Error approving contract:', error);