Fatal error: Uncaught Error: Class "PHP_CodeSniffer\Tests\Standards\AbstractSniffUnitTest" not found in /home/alterna/private_assets.alternalab.it/vendor/squizlabs/php_codesniffer/src/Standards/Squiz/Tests/CSS/DuplicateClassDefinitionUnitTest.php:14 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/vendor/squizlabs/php_codesniffer/src/Standards/Squiz/Tests/CSS/DuplicateClassDefinitionUnitTest.php on line 14