Fatal error: Uncaught Error: Interface 'App\Services\Financeiro\Cobranca\Contracts\NegociacaoServiceInterface' not found in /var/www/html/sigo-laravel/app/Services/Financeiro/Cobranca/NegociacaoService.php:15 Stack trace: #0 {main} thrown in /var/www/html/sigo-laravel/app/Services/Financeiro/Cobranca/NegociacaoService.php on line 15