安装authpuppy的时候，到第四步遇到如下问题，怎么解决？

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Notice: require_once(): 1. h->opened_path=[/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/debug/sfWebDebugPanelDoctrine.class.php] h->filename=[/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/debug/sfWebDebugPanelDoctrine.class.php] in /var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/sfDoctrinePluginConfiguration.class.php on line 35 Notice: require_once(): apc_cache_find [1057582] in /var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/sfDoctrinePluginConfiguration.class.php on line 35 Notice: require_once(): 2. h->opened_path=[/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/debug/sfWebDebugPanelDoctrine.class.php] h->filename=[/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/debug/sfWebDebugPanelDoctrine.class.php] in /var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/sfDoctrinePluginConfiguration.class.php on line 35 Notice: require_once(): apc_cache_make_file_entry: entry->data.file.filename is [/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/debug/sfWebDebugPanelDoctrine.class.php] in /var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/sfDoctrinePluginConfiguration.class.php on line 35 Notice: require_once(): Inserting [/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/debug/sfWebDebugPanelDoctrine.class.php] in /var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/sfDoctrinePluginConfiguration.class.php on line 35 Notice: require(): 1. h->opened_path=[null] h->filename=[/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineDataLoadTask.class.php] in /var/www/authpuppy/cache/frontend/prod/config/config_core_compile.yml.php on line 95 Notice: require(): apc_cache_find [1057553] in /var/www/authpuppy/cache/frontend/prod/config/config_core_compile.yml.php on line 95 Notice: require(): 2. h->opened_path=[/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineDataLoadTask.class.php] h->filename=[/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineDataLoadTask.class.php] in /var/www/authpuppy/cache/frontend/prod/config/config_core_compile.yml.php on line 95 Notice: require(): apc_cache_make_file_entry: entry->data.file.filename is [/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineDataLoadTask.class.php] in /var/www/authpuppy/cache/frontend/prod/config/config_core_compile.yml.php on line 95 Notice: require(): Inserting [/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/lib/task/sfDoctrineDataLoadTask.class.php] in /var/www/authpuppy/cache/frontend/prod/config/config_core_compile.yml.php on line 95 Notice: include(): 1. h->opened_path=[null] h->filename=[/var/www/authpuppy/cache/frontend/dev/config/config_settings.yml.php] in /var/www/authpuppy/lib/vendor/symfony/lib/config/sfApplicationConfiguration.class.php on line 121 Notice: include(): File is too new /var/www/authpuppy/cache/frontend/dev/config/config_settings.yml.php (1419567373 - 1419567373) - bailing in /var/www/authpuppy/lib/vendor/symfony/lib/config/sfApplicationConfiguration.class.php on line 121 Notice: include(): 1. h->opened_path=[null] h->filename=[/var/www/authpuppy/cache/frontend/dev/config/config_app.yml.php] in /var/www/authpuppy/lib/vendor/symfony/lib/config/sfApplicationConfiguration.class.php on line 124 Notice: include(): File is too new /var/www/authpuppy/cache/frontend/dev/config/config_app.yml.php (1419567373 - 1419567373) - bailing in /var/www/authpuppy/lib/vendor/symfony/lib/config/sfApplicationConfiguration.class.php on line 124 Notice: require(): 1. h->opened_path=[null] h->filename=[/var/www/authpuppy/cache/frontend/dev/config/config_config_handlers.yml.php] in /var/www/authpuppy/lib/vendor/symfony/lib/config/sfConfigCache.class.php on line 279 Notice: require(): File is too new /var/www/authpuppy/cache/frontend/dev/config/config_config_handlers.yml.php (1419567373 - 1419567373) - bailing in /var/www/authpuppy/lib/vendor/symfony/lib/config/sfConfigCache.class.php on line 279 Warning: Cannot modify header



[b]stack trace[/b]

at ()
in SF_ROOT_DIR/lib/vendor/symfony/lib/yaml/sfYaml.php line 100 ...
}
catch (Exception $e)
{
throw new InvalidArgumentException(sprintf('Unable to parse %s: %s', $file ? sprintf('file "%s"', $file) : 'string', $e->getMessage()));
}
return $ret;
at sfYaml::load('/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/autoload.yml')
in SF_ROOT_DIR/lib/vendor/symfony/lib/config/sfYamlConfigHandler.class.php line 72 ...
at sfYamlConfigHandler::parseYaml('/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/autoload.yml')
in SF_ROOT_DIR/lib/vendor/symfony/lib/config/sfYamlConfigHandler.class.php line 39 ...
at sfYamlConfigHandler::parseYamls(array('/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/autoload.yml', '/var/www/authpuppy/lib/vendor/symfony/lib/config/config/autoload.yml'))
in SF_ROOT_DIR/lib/vendor/symfony/lib/config/sfAutoloadConfigHandler.class.php line 173 ...
at sfAutoloadConfigHandler::getConfiguration(array('/var/www/authpuppy/lib/vendor/symfony/lib/config/config/autoload.yml', '/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/autoload.yml'))
in SF_ROOT_DIR/lib/vendor/symfony/lib/config/sfAutoloadConfigHandler.class.php line 72 ...
at sfAutoloadConfigHandler->parse(array('/var/www/authpuppy/lib/vendor/symfony/lib/config/config/autoload.yml', '/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/autoload.yml'))
in SF_ROOT_DIR/lib/vendor/symfony/lib/config/sfAutoloadConfigHandler.class.php line 38 ...
at sfAutoloadConfigHandler->execute(array('/var/www/authpuppy/lib/vendor/symfony/lib/config/config/autoload.yml', '/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/autoload.yml'))
in SF_ROOT_DIR/lib/vendor/symfony/lib/config/sfConfigCache.class.php line 108 ...
at sfConfigCache->callHandler('config/autoload.yml', array('/var/www/authpuppy/lib/vendor/symfony/lib/config/config/autoload.yml', '/var/www/authpuppy/lib/vendor/symfony/lib/plugins/sfDoctrinePlugin/config/autoload.yml'), '/var/www/authpuppy/cache/frontend/dev/config/config_autoload.yml.php')
in SF_ROOT_DIR/lib/vendor/symfony/lib/config/sfConfigCache.class.php line 197 ...
at sfConfigCache->checkConfig('config/autoload.yml')
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 68 ...
at sfAutoload->reloadClasses(1)
in SF_ROOT_DIR/lib/vendor/symfony/lib/autoload/sfAutoloadAgain.class.php line 95 ...
at sfAutoloadAgain->autoload('sfFormExtraPluginConfiguration')
in n/a line n/a ...
at spl_autoload_call('sfFormExtraPluginConfiguration')
in n/a line n/a ...
at class_exists('sfFormExtraPluginConfiguration')
in SF_ROOT_DIR/plugins/apPluginManagerPlugin/lib/model/apPlugins.php line 119 ...
at apPlugins->addPlugin('sfFormExtraPlugin', '/var/www/authpuppy/plugins')
in SF_ROOT_DIR/plugins/apPluginManagerPlugin/lib/model/apPlugins.php line 71 ...
at apPlugins->__construct()
in SF_ROOT_DIR/plugins/apPluginManagerPlugin/lib/model/apPlugins.php line 52 ...
at apPlugins::getInstance()
in SF_ROOT_DIR/apps/frontend/modules/install/actions/actions.class.php line 206 ...
at installActions->executePage4(object('sfWebRequest'))
in SF_ROOT_DIR/apps/frontend/modules/install/actions/actions.class.php line 71 ...
at installActions->executeIndex(object('sfWebRequest'))
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 459 ...
at sfActions->execute(object('sfWebRequest'))
in SF_ROOT_DIR/lib/model/authpuppycore/util/apActions.class.php line 56 ...
at apActions->execute(object('sfWebRequest'))
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 945 ...
at sfExecutionFilter->executeAction(object('installActions'))
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 940 ...
at sfExecutionFilter->handleAction(object('sfFilterChain'), object('installActions'))
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 926 ...
at sfExecutionFilter->execute(object('sfFilterChain'))
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 1021 ...
at sfFilterChain->execute()
in SF_ROOT_DIR/apps/frontend/lib/CheckDBAvailabilityFilter.class.php line 95 ...
at CheckDBAvailabilityFilter->execute(object('sfFilterChain'))
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 1021 ...
at sfFilterChain->execute()
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 988 ...
at sfRenderingFilter->execute(object('sfFilterChain'))
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 1021 ...
at sfFilterChain->execute()
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 658 ...
at sfController->forward('install', 'index')
in SF_ROOT_DIR/cache/frontend/prod/config/config_core_compile.yml.php line 2340 ...
at sfFrontWebController->dispatch()
in SF_ROOT_DIR/lib/vendor/symfony/lib/util/sfContext.class.php line 170 ...
at sfContext->dispatch()
in SF_ROOT_DIR/web/index.php line 15 ...

symfony settings ...
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response ...
user ...
global vars ...

symfony v.1.4.0 - php 5.3.10-1ubuntu3.15
for help resolving this issue, please visit http://www.symfony-project.org/.