意思是：出现一个错误。
重点词汇：error 错误，过失; 误审，违法; 误差。occurred 发生(occur 的过去分词)。
1、An error has occurred on the server. Please contact the serveradministrator. 服务器出现了错误，请与服务器管理员联系。
2、"An error has occurred, but it will not prevent the service from running" 发生了一个错误，但不会妨碍服务运行
3、An error has occurred displaying the selected code item or category. Someone may
have deleted the item. 显示所选代码项或类别时发生错误。可能已经有人删除了该项。
4、An error has occurred in connecting to the passport e-mailaddress verification system.
在与passport电子邮件地址验证系统连接时出现错误。
5、Error message: An error has occurred. 错误信息：出现一个错误。
扩展资料
通常这个句子出现在计算机软件出现错误，无法运行时。
1、在WINDOWS7或SERVER2008上安装了IIS7.5，调试ASP程序时出现以下错误： An error occurred on the server when processing the URL. Please contact the system administrator。
2、eclipse这款流行的java开发软件出现错误。这个问题出现的可能性很多，如果刚刚安装或者更新了JAVA9，会出现这种情况。
出现了一个错误
双语例句：
1.Error message: An error has occurred.
错误信息：出现一个错误。
2.There may also be rules that specify exactly when a particular activity has beencompleted or what to do when an error has occurred.
可能还有一些规则指定完成某个活动的确切时间或发生错误时如何处理。
3.When an error has occurred, it can often affect the inventory control for a longtime . there are two ways to overcome such problems.
一旦错误出现，库存管理往往会受到很长时间的影响。