Fatal error: Uncaught Error: Class "Psr\Log\AbstractLogger" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\maximebf\debugbar\src\DebugBar\DataCollector\MessagesCollector.php:20 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\maximebf\debugbar\src\DebugBar\DataCollector\MessagesCollector.php on line 20