作曲家更新错误

Question

更新作曲家时出现以下错误。我已经阅读了另一个类似的问题，建议为php设置date.timezone。我已经这样做但错误没有被删除。我该怎么办？

错误：

  [Symfony\Component\Config\Definition\Exception\InvalidConfigurationException]  
  Unrecognized option "role_heirarchy" under "security"                          


Script Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache handling the post-update-cmd event terminated with an exception


  [RuntimeException]                                                         
  An error occurred when executing the "'cache:clear --no-warmup'" command:  


    [Symfony\Component\Config\Definition\Exception\InvalidConfigurati        
  onException]                                                               
    Unrecognized option "role_heirarchy" under "security"