在预热缓存并且已满的时候会发生错误：
PHP Fatal error: Class 'FPDF' not found in /home/shop/public_html/releases/20150122171219/Packages/Sites/Mystuff.ModelSite/Classes/Mystuff/ModelSite/Service/InvoiceService.php on line 14
Uncaught Exception
Execution of subprocess failed with exit code 255 without any further
output. (Please check your PHP error log for possible Fatal errors)
More Information
Exception code #1355480641
File /home/shop/public_html/releases/20150122171219/Packages/Framework/TYPO3.Flow/Classes/TYPO3/Flow/Core/Booting/Scripts.php line 531
Exception reference #201504011936306ce58c
我之前看过这个错误并且绕过它但是在我的生活中不能记得我怎么也找不到我确定我做过的笔记。快把我逼疯了。有点奇怪的是，实时服务器得到了这个错误，但不是我的开发服务器，它是实时服务器的副本。 fpdf.php就在那里。
由于