Solution to Argument 1 passed to Illuminate\Database\Query\Builder::cleanBindings() must be of the type array, null given - Laravel error

 Hello everyone, This is EDK from wakabia tech company. I brought to you guys a solution to a common but tricky issue you might come across in laravel.

INSIGHT :

1. It might be that you upgraded your Laravel

2. It might be that you are new in Laravel framwork

3. It might be that you downgraded your Laravel

So the below error or similar error

ERROR: Argument 1 passed to Illuminate\Database\Query\Builder::cleanBindings() must be of the type array, null given

Might come up when you want to perform a query from database using a clouse whereIn('user_id', $userId)

Or different from what you are doing. See the solution below

SOLUTION

 public function index(){

 $users = auth()->user(); 

 $userId = $users->id;

 

//querying from receivers table, calling its class Receiver::

 $receivers = Receiver::select('*')

             ->get()

             ->whereIn('user_id', $userId);

 

 return view('receiver.blade', compact('users','receivers'));  

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