SupabaseClient::request(): Return value must be of type array, null returned

use Saeedvir\Supabase\Services\SupabaseService;

$data = [];

$supabase = new SupabaseService(); $result = $supabase->db->insert('database_table_name', $data);

this will insert data but return this error message

Error Saeedvir\Supabase\Services\SupabaseClient::request(): Return value must be of type array, null returned