Php 安装jagger时遇到未捕获的异常

当我尝试安装jagger时，出现以下错误 有人能帮我解决吗 我从网上读到，我需要将文件的模式更改为777，但仍然收到相同的错误

An uncaught Exception was encountered
Type: Doctrine\Common\Proxy\Exception\UnexpectedValueException

Message: Your proxy directory "/opt/rr3/application/models/Proxies" must be writable

Filename: /opt/rr3/application/vendor/doctrine/common/lib/Doctrine/Common/Proxy/Exception/UnexpectedValueException.php

Line Number: 24

回溯：

File: /opt/rr3/application/vendor/doctrine/common/lib/Doctrine/Common/Proxy/ProxyGenerator.php
Line: 333
Function: proxyDirectoryNotWritable

File: /opt/rr3/application/vendor/doctrine/common/lib/Doctrine/Common/Proxy/AbstractProxyFactory.php
Line: 199
Function: generateProxyClass

File: /opt/rr3/application/vendor/doctrine/common/lib/Doctrine/Common/Proxy/AbstractProxyFactory.php
Line: 98
Function: getProxyDefinition

File: /opt/rr3/application/vendor/doctrine/orm/lib/Doctrine/ORM/UnitOfWork.php
Line: 2839
Function: getProxy

File: /opt/rr3/application/vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/SimpleObjectHydrator.php
Line: 163
Function: createEntity

File: /opt/rr3/application/vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/SimpleObjectHydrator.php
Line: 77
Function: hydrateRowData

File: /opt/rr3/application/vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/AbstractHydrator.php
Line: 213
Function: hydrateAllData

File: /opt/rr3/application/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/Entity/BasicEntityPersister.php
Line: 739
Function: hydrateAll

File: /opt/rr3/application/vendor/doctrine/orm/lib/Doctrine/ORM/EntityRepository.php
Line: 211
Function: load

File: /opt/rr3/application/libraries/Jauth.php
Line: 272
Function: findOneBy

File: /opt/rr3/application/controllers/reports/Awaiting.php
Line: 472
Function: isAdministrator

File: /opt/rr3/index.php
Line: 315
Function: require_once  

---

您的答案有一些格式问题。努力改进这一点。路径和代码片段使用

`

括号。要突出显示应用程序的名称或界面，请使用粗体（

**

括号）或斜体（

*

括号）字体。要从新行开始，请在行尾使用双空格-问题将比在任何地方使用Enter更清楚。添加一些

：

也不错。