Fatal error: Uncaught Error: Class "App\Invoice\Calculator\AbstractCalculator" not found in /home8/xmeta/xmt.xmeta.ro/kimai2/src/Invoice/Calculator/AbstractMergedCalculator.php:17 Stack trace: #0 {main} thrown in /home8/xmeta/xmt.xmeta.ro/kimai2/src/Invoice/Calculator/AbstractMergedCalculator.php on line 17