All of a sudden i am getting this error in admin panel while saving a change in products.
Warning: include(/chroot/home/shireeni/shireeninc.com/html/osc/lib/Zend/Log.php): failed to open stream: Too many open files in /chroot/home/shireeni/shireeninc.com/html/osc/lib/Varien/Autoload.php on line 94
#0 ///html/osc/lib/Varien/Autoload.php(94): mageCoreErrorHandler(2, 'include(/chroot...', '/chroot/home/sh...', 94, Array) #1 /html/osc/lib/Varien/Autoload.php(94): Varien_Autoload::autoload() #2 [internal function]: Varien_Autoload->autoload('Zend_Log') #3 /html/osc/app/Mage.php(859): spl_autoload_call('Zend_Log') #4 /html/osc/app/code/core/Mage/Adminhtml/controllers/Catalog/ProductController.php(741): Mage::logException(Object(Exception)) #5 /html/osc/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Adminhtml_Catalog_ProductController->saveAction()
#6/html/osc/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('save') #7 /html/osc/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http)) #8 /html/osc/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch() #9 /html/osc/app/Mage.php(684): Mage_Core_Model_App->run(Array) #10 html/osc/index.php(83): Mage::run('', 'store') #11 {main}
Fatal error: Uncaught exception 'Exception' with message 'Warning: include( html/osc/lib/Zend/Search/Lucene/Exception.php): failed to open stream: Too many open files in
html/osc/app/code/core/Mage/Core/functions.php on line 68' in
html/osc/app/code/core/Mage/Core/functions.php:245 Stack trace: #0
html/osc/app/code/core/Mage/Core/functions.php(68): mageCoreErrorHandler(2, 'include(/chroot...', '/chroot/home/sh...', 68, Array) #1 html/osc/app/code/core/Mage/Core/functions.php(68): __autoload() #2 [internal function]: __autoload('Zend_Search_Luc...') #3 html/osc/lib/Zend/Search/Lucene/Storage/File/Filesystem.php(67): spl_autoload_call('Zend_Search_Luc...') #4
html/osc/lib/Zend/Search/Lucene/Storage/Directory/Filesystem.php(186): Zend_Search_Lucene_Storage_File_Filesyste in
html/osc/app/code/core/Mage/Core/functions.php on line 245
How to fix this error?