Fatal error: Uncaught Error: Interface "PHPUnit\TextUI\Output\Printer" not found in /home/angus/public_html/warmth/vendor/brianium/paratest/src/WrapperRunner/ProgressPrinterOutput.php:12 Stack trace: #0 {main} thrown in /home/angus/public_html/warmth/vendor/brianium/paratest/src/WrapperRunner/ProgressPrinterOutput.php on line 12