Fatal error: Uncaught Error: Interface "App\Invoice\NumberGeneratorInterface" not found in /home/hamleyazilim/public_html/time.hamleyazilim.com/kimai/tests/Invoice/NumberGenerator/IncrementingNumberGenerator.php:15 Stack trace: #0 {main} thrown in /home/hamleyazilim/public_html/time.hamleyazilim.com/kimai/tests/Invoice/NumberGenerator/IncrementingNumberGenerator.php on line 15