C:\xampp\htdocs\myapp>composer update
> php artisan clear-compiled


  [Symfony\Component\Debug\Exception\FatalErrorException]
  Class 'Collective\Html\HtmlServiceProvider' not found


Script php artisan clear-compiled handling the pre-update-cmd event returned wit
h an error


  [RuntimeException]
  Error Output:


update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock]
 [--no-plugins] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-
progress] [--with-dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader]
 [-a|--classmap-authoritative] [--ignore-platform-reqs] [--prefer-stable] [--pre
fer-lowest] [-i|--interactive] [--] [<packages>]...


C:\xampp\htdocs\myapp>