update

src/components/CreateProject/StaffAllocation.tsx

@@ -171,8 +171,8 @@ const StaffAllocation: React.FC<Props> = ({
       allStaffs.filter((staff) => {
         const q = query.toLowerCase();
         return (
-          (staff.name.toLowerCase().includes(q) ||
-            staff.staffId.toString().includes(q) ||
+          (staff.name?.toLowerCase().includes(q) ||
+            staff.staffId?.toLowerCase().includes(q) ||
             staff.currentPosition?.toLowerCase().includes(q)) &&
           Object.entries(filters).every(([filterKey, filterValue]) => {
             const staffColumnValue = staff[filterKey as keyof StaffResult];