Warning: Class "Sabberworm\CSS\RuleSet\DeclarationList" not found in /home/companf/www/vendor/sabberworm/php-css-parser/src/RuleSet/RuleContainer.php on line 9

Fatal error: Uncaught AssertionError: assert($aliasWasCreated) in /home/companf/www/vendor/sabberworm/php-css-parser/src/RuleSet/RuleContainer.php:10 Stack trace: #0 /home/companf/www/vendor/sabberworm/php-css-parser/src/RuleSet/RuleContainer.php(10): assert(false, 'assert($aliasWa...') #1 {main} thrown in /home/companf/www/vendor/sabberworm/php-css-parser/src/RuleSet/RuleContainer.php on line 10