Fatal error: Uncaught Error: Class 'Psr\Log\AbstractLogger' not found in /home/clapsabo/test/vendor/symfony/debug/Tests/Fixtures/LoggerThatSetAnErrorHandler.php:7 Stack trace: #0 {main} thrown in /home/clapsabo/test/vendor/symfony/debug/Tests/Fixtures/LoggerThatSetAnErrorHandler.php on line 7