Warning: Class "Sabberworm\CSS\Property\Declaration" not found in C:\laragon\www\egp-new\vendor\sabberworm\php-css-parser\src\Rule\Rule.php on line 11

Fatal error: Uncaught AssertionError: assert($aliasWasCreated) in C:\laragon\www\egp-new\vendor\sabberworm\php-css-parser\src\Rule\Rule.php:12 Stack trace: #0 C:\laragon\www\egp-new\vendor\sabberworm\php-css-parser\src\Rule\Rule.php(12): assert(false, 'assert($aliasWa...') #1 {main} thrown in C:\laragon\www\egp-new\vendor\sabberworm\php-css-parser\src\Rule\Rule.php on line 12