diff --git a/src/frontend/src/utils/utils.ts b/src/frontend/src/utils/utils.ts
index 5a1f6621f..0a1f99692 100644
--- a/src/frontend/src/utils/utils.ts
+++ b/src/frontend/src/utils/utils.ts
@@ -56,7 +56,7 @@ export function normalCaseToSnakeCase(str: string): string {
 
 export function toTitleCase(
   str: string | undefined,
-  isNodeField?: boolean
+  isNodeField?: boolean,
 ): string {
   if (!str) return "";
   let result = str
@@ -65,7 +65,7 @@ export function toTitleCase(
       if (isNodeField) return word;
       if (index === 0) {
         return checkUpperWords(
-          word[0].toUpperCase() + word.slice(1).toLowerCase()
+          word[0].toUpperCase() + word.slice(1).toLowerCase(),
         );
       }
       return checkUpperWords(word.toLowerCase());
@@ -78,7 +78,7 @@ export function toTitleCase(
       if (isNodeField) return word;
       if (index === 0) {
         return checkUpperWords(
-          word[0].toUpperCase() + word.slice(1).toLowerCase()
+          word[0].toUpperCase() + word.slice(1).toLowerCase(),
         );
       }
       return checkUpperWords(word.toLowerCase());
@@ -182,7 +182,7 @@ export function checkLocalStorageKey(key: string): boolean {
 
 export function IncrementObjectKey(
   object: object,
-  key: string
+  key: string,
 ): { newKey: string; increment: number } {
   let count = 1;
   const type = removeCountFromString(key);
@@ -217,7 +217,7 @@ export function groupByFamily(
   data: APIDataType,
   baseClasses: string,
   left: boolean,
-  flow?: NodeType[]
+  flow?: NodeType[],
 ): groupedObjType[] {
   const baseClassesSet = new Set(baseClasses.split("\n"));
   let arrOfPossibleInputs: Array<{
@@ -243,7 +243,7 @@ export function groupByFamily(
         baseClassesSet.has(template.type)) ||
         (template?.input_types &&
           template?.input_types.some((inputType) =>
-            baseClassesSet.has(inputType)
+            baseClassesSet.has(inputType),
           )))
     );
   };
@@ -263,7 +263,7 @@ export function groupByFamily(
         hasBaseClassInBaseClasses:
           foundNode?.hasBaseClassInBaseClasses ||
           nodeData.node!.base_classes.some((baseClass) =>
-            baseClassesSet.has(baseClass)
+            baseClassesSet.has(baseClass),
           ), //seta como anterior ou verifica se o node tem base class
         displayName: nodeData.node?.display_name,
       });
@@ -280,10 +280,10 @@ export function groupByFamily(
       if (!foundNode) {
         foundNode = {
           hasBaseClassInTemplate: Object.values(node!.template).some(
-            checkBaseClass
+            checkBaseClass,
           ),
-          hasBaseClassInBaseClasses: node!.base_classes.some((baseClass) =>
-            baseClassesSet.has(baseClass)
+          hasBaseClassInBaseClasses: node!.base_classes?.some((baseClass) =>
+            baseClassesSet.has(baseClass),
           ),
           displayName: node?.display_name,
         };
@@ -355,7 +355,7 @@ export function isTimeStampString(str: string): boolean {
 export function extractColumnsFromRows(
   rows: object[],
   mode: "intersection" | "union",
-  excludeColumns?: Array<string>
+  excludeColumns?: Array<string>,
 ): (ColDef<any> | ColGroupDef<any>)[] {
   let columnsKeys: { [key: string]: ColDef<any> | ColGroupDef<any> } = {};
   if (rows.length === 0) {