In try catch, try is not working.

public function store(Request $request)
   {
        $filtered=Expense::where('category',$request->category)->onlyTrashed()->first();
        if($filtered!==null)
        {
            expense::withTrashed()->where('id', $filtered['id'])->restore();
            return redirect()->route('expense.index')->with('success', "Expense category restored  successfully");

        }
        else{
           try {

           $validated = $request->validate([

               'category' => 'required|alpha|unique:expense_categories',
           ],
           [
               'category.unique' => 'This category is already exist'
           ]

       );

                   $expense = new Expense;
                   $expense->category = $validated['category'];

                   $expense->save();
                   return redirect()->route('expense.index')->with('success', "Expense category added successfully");
               }
               catch (\Exception $e) {
                   report($e);
                   return redirect()->back()->with('error', 'Failed to edit the category! Please try again.');
               }
        }

   }