diff --git a/src/components/SendFundsForm.vue b/src/components/SendFundsForm.vue
index 141e8a5b4..53ecdbedb 100644
--- a/src/components/SendFundsForm.vue
+++ b/src/components/SendFundsForm.vue
@@ -229,6 +229,8 @@ import { isStringEqualCI } from '@/lib/textHelpers'
 import { formatSendTxError } from '@/lib/txVerify'
 import { AllCryptos } from '@/lib/constants/cryptos'
 
+import { MAX_UINT64 } from '@klayr/validator'
+
 /**
  * @returns {string | boolean}
  */
@@ -533,7 +535,6 @@ export default {
           (v) => {
             const isKlyTransfer = this.currency === Cryptos.KLY
             if (!isKlyTransfer) return true
-            const MAX_UINT64 = BigInt('18446744073709551615')
             const isKlyTransferAllowed =
               this.transferFee &&
               transactions.convertklyToBeddows(v.toFixed(KLY_DECIMALS)) < MAX_UINT64
diff --git a/src/lib/klayr/klayr-utils.ts b/src/lib/klayr/klayr-utils.ts
index 05f7eccbf..8f4a521a9 100644
--- a/src/lib/klayr/klayr-utils.ts
+++ b/src/lib/klayr/klayr-utils.ts
@@ -232,37 +232,32 @@ type EstimateFeeParams = {
  * @param params Transaction params
  */
 export function estimateFee(params?: EstimateFeeParams) {
-  try {
-    const {
-      amount = '1',
-      keyPair = KLY_DEMO_ACCOUNT.keyPair,
-      recipientAddress = KLY_DEMO_ACCOUNT.address,
-      data = '',
-      nonce = 0,
-      isNewAccount
-    } = params || {}
+  const {
+    amount = '1',
+    keyPair = KLY_DEMO_ACCOUNT.keyPair,
+    recipientAddress = KLY_DEMO_ACCOUNT.address,
+    data = '',
+    nonce = 0,
+    isNewAccount
+  } = params || {}
 
-    const transaction = createTransaction(
-      {
-        publicKey: Buffer.from(keyPair.publicKey, 'hex'),
-        secretKey: Buffer.from(keyPair.secretKey, 'hex')
-      },
-      recipientAddress,
-      amount,
-      1,
-      nonce,
-      data
-    )
-    const transactionBytes = hexToBytes(transaction.hex)
+  const transaction = createTransaction(
+    {
+      publicKey: Buffer.from(keyPair.publicKey, 'hex'),
+      secretKey: Buffer.from(keyPair.secretKey, 'hex')
+    },
+    recipientAddress,
+    amount,
+    1,
+    nonce,
+    data
+  )
+  const transactionBytes = hexToBytes(transaction.hex)
 
-    const fee = BigInt(transactionBytes.length) * KLY_MIN_FEE_PER_BYTE
-    const transferToNewAccountFee = isNewAccount ? KLY_TRANSFER_TO_NEW_ACCOUNT_FEE : BigInt(0)
+  const fee = BigInt(transactionBytes.length) * KLY_MIN_FEE_PER_BYTE
+  const transferToNewAccountFee = isNewAccount ? KLY_TRANSFER_TO_NEW_ACCOUNT_FEE : BigInt(0)
 
-    const totalFee = fee + transferToNewAccountFee
+  const totalFee = fee + transferToNewAccountFee
 
-    return convertBeddowsTokly(totalFee.toString())
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  } catch (err) {
-    return 0
-  }
+  return convertBeddowsTokly(totalFee.toString())
 }
diff --git a/src/store/modules/kly/kly-getters.js b/src/store/modules/kly/kly-getters.js
index 036de8b9e..f0f3da7ff 100644
--- a/src/store/modules/kly/kly-getters.js
+++ b/src/store/modules/kly/kly-getters.js
@@ -5,12 +5,17 @@ export default {
   ...baseGetters,
 
   fee: (state) => (amount, recipientAddress, data, isNewAccount) => {
-    return estimateFee({
-      amount,
-      data,
-      isNewAccount,
-      nonce: state.nonce
-    })
+    try {
+      return estimateFee({
+        amount,
+        data,
+        isNewAccount,
+        nonce: state.nonce
+      })
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    } catch (error) {
+      return 0
+    }
   },
 
   height(state) {