diff --git a/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx b/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx
index dbd091e63..33073b628 100644
--- a/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx
+++ b/src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx
@@ -25,7 +25,7 @@ import { TabsContext } from "../../../../contexts/tabsContext";
 import { typesContext } from "../../../../contexts/typesContext";
 import { ParameterComponentType } from "../../../../types/components";
 import { TabsState } from "../../../../types/tabs";
-import { isValidConnection } from "../../../../utils/reactflowUtils";
+import { convertArrayToObj, convertObjToArray, hasDuplicateKeys, isValidConnection } from "../../../../utils/reactflowUtils";
 import {
   nodeColors,
   nodeIconsLucide,
@@ -53,6 +53,7 @@ export default function ParameterComponent({
   const updateNodeInternals = useUpdateNodeInternals();
   const [position, setPosition] = useState(0);
   const { setTabsState, tabId, save, flows } = useContext(TabsContext);
+  const [errorDuplicateKey, setErrorDuplicateKey] = useState(false);
 
   const flow = flows.find((flow) => flow.id === tabId)?.data?.nodes ?? null;
 
@@ -105,34 +106,9 @@ export default function ParameterComponent({
   const [dictArr, setDictArr] = useState([]);
 
   useEffect(() => {
-    convertToArray(dict);
+    setDictArr(convertObjToArray(dict));
   }, [dict]);
 
-  const convertToArray = (singleObject) => {
-    let arrConverted: any = [];
-    for (const key in singleObject) {
-      if (singleObject.hasOwnProperty(key)) {
-        const newObj = {};
-        newObj[key] = singleObject[key];
-        arrConverted.push(newObj);
-      }
-    }
-    setDictArr(arrConverted);
-  };
-
-  const convertToDict = (newValue): void => {
-    const flattenedObject = {};
-    for (const obj of newValue) {
-      for (const key in obj) {
-        if (obj.hasOwnProperty(key)) {
-          flattenedObject[key] = obj[key];
-        }
-      }
-    }
-    let newData = cloneDeep(flattenedObject);
-    setDict(newData);
-  };
-
   useEffect(() => {
     if (name === "openai_api_base") console.log(info);
     // @ts-ignore
@@ -254,7 +230,12 @@ export default function ParameterComponent({
               disabled={disabled}
               editNode={false}
               value={dictArr}
-              onChange={convertToDict}
+              duplicateKey={errorDuplicateKey}
+              onChange={(newValue) => {
+                setErrorDuplicateKey(hasDuplicateKeys(newValue));
+                if(hasDuplicateKeys(newValue)) return;
+                setDict(convertArrayToObj(newValue));
+              }}
             />
           </div>
         ) : (
diff --git a/src/frontend/src/components/keypairListComponent/index.tsx b/src/frontend/src/components/keypairListComponent/index.tsx
index ef30ac331..1e9f73ccf 100644
--- a/src/frontend/src/components/keypairListComponent/index.tsx
+++ b/src/frontend/src/components/keypairListComponent/index.tsx
@@ -13,6 +13,7 @@ export default function KeypairListComponent({
   onChange,
   disabled,
   editNode = false,
+  duplicateKey
 }: KeyPairListComponent): JSX.Element {
   useEffect(() => {
     if (disabled) {
@@ -20,19 +21,17 @@ export default function KeypairListComponent({
     }
   }, [disabled]);
 
-  const handleChangeKey = (event, idx) => {
+  console.log(duplicateKey);
+  
+
+ const handleChangeKey = (event, idx) => {
     const newInputList = _.cloneDeep(value);
     const oldKey = Object.keys(newInputList[idx])[0];
-    let counter = 1;
-    let newKey = event.target.value;
-    while (newInputList.some(obj => Object.keys(obj)[0] === newKey)) {
-      newKey = `${event.target.value}_${counter}`;
-      counter++;
-    }
-    newInputList[idx] = { [newKey]: newInputList[idx][oldKey] };
+    const updatedObj = { [event.target.value]: newInputList[idx][oldKey] };
+    newInputList[idx] = updatedObj;
     onChange(newInputList);
   };
-  
+
   const handleChangeValue = (newValue, idx) => {
     const newInputList = _.cloneDeep(value);
     const key = Object.keys(newInputList[idx])[0];
diff --git a/src/frontend/src/types/components/index.ts b/src/frontend/src/types/components/index.ts
index 7f826cdf5..64b8ae774 100644
--- a/src/frontend/src/types/components/index.ts
+++ b/src/frontend/src/types/components/index.ts
@@ -59,6 +59,7 @@ export type KeyPairListComponent = {
   onChange: (value: string[]) => void;
   disabled: boolean;
   editNode?: boolean;
+  duplicateKey?: boolean;
 };
 
 export type TextAreaComponentType = {
diff --git a/src/frontend/src/utils/reactflowUtils.ts b/src/frontend/src/utils/reactflowUtils.ts
index 87971ef9b..1394203f1 100644
--- a/src/frontend/src/utils/reactflowUtils.ts
+++ b/src/frontend/src/utils/reactflowUtils.ts
@@ -289,3 +289,42 @@ export function getConnectedNodes(
   const targetId = edge.target;
   return nodes.filter((node) => node.id === targetId || node.id === sourceId);
 }
+
+export function convertObjToArray(singleObject){
+  let arrConverted: any = [];
+  for (const key in singleObject) {
+    if (singleObject.hasOwnProperty(key)) {
+      const newObj = {};
+      newObj[key] = singleObject[key];
+      arrConverted.push(newObj);
+    }
+  }
+
+  return arrConverted;
+}
+
+export function convertArrayToObj(newValue){
+  const flattenedObject = {};
+  for (const obj of newValue) {
+    for (const key in obj) {
+      if (obj.hasOwnProperty(key)) {
+        flattenedObject[key] = obj[key];
+      }
+    }
+  }
+  let newData = _.cloneDeep(flattenedObject);
+  return newData;
+}
+
+export function hasDuplicateKeys(array) {
+  const keys = {};
+  for (const obj of array) {
+      for (const key in obj) {
+          if (keys[key]) {
+              return true; // Duplicate key found
+          }
+          keys[key] = true;
+      }
+  }
+  return false; // No duplicate keys found
+}
\ No newline at end of file