Fatal error: Cannot redeclare class ProjectConfiguration

I am trying to clear the cache using command 'php symfony cc' but ge开发者_如何学JAVAtting " Fatal error: Cannot redeclare class ProjectConfiguration in /home/dev/project/devz/config/ProjectConfiguration.class.php on line 46 ". Please help me on this. Thanks in advance

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Sometimes that happens due to some bugs in PHP's FastCGI.

Try to restart it. At Ubuntu it's:

service php-fastcgi restart