Laravel 4：致命错误：类'Patchwork \Utf8\Bootup'在autoload.php中找不到

我向 composer.json 的 require部分添加了cviebrock / image-validator：1.0。*。之后，我执行作曲家更新，我收到了此致命错误。

I added "cviebrock/image-validator": "1.0.*" to require section of composer.json. After, I ran composer update, I am getting this Fatal error.

::: ERROR :::

:::ERROR:::

Fatal error: Class 'Patchwork\Utf8\Bootup' not found in F:\xampp\htdocs\project\
bootstrap\autoload.php on line 46
Script php artisan clear-compiled handling the post-update-cmd event returned wi
th an error



  [RuntimeException]
  Error Output:



update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock]
 [--no-plugins] [--no-custom-installers] [--no-scripts] [--no-progress] [--with-
dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [packages1] ... [
packagesN]

::: END of ERROR :::

:::END of ERROR:::

::: COMPOSER.JSON Require section :::

:::COMPOSER.JSON Require section:::

"require": {
  "intervention/image": "2.*",
  "cviebrock/image-validator": "1.0.*"
},

$ b b

我需要帮助纠正这个致命错误。

I need help in rectifying this fatal error.

谢谢&谨此，

Michael Sangma

Michael Sangma