Illuminate\Database\QueryException with message 'SQLSTATE[HY000] [2002] laravel 8 code example

Example: Illuminate/Database/QueryException with message 'SQLSTATE[42S02]

**<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class dummy_project extends Model
{
    **protected $table = 'dummy_project';**
}**