Error Sphinx - Help me

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1 
2013-06-14 12:17:36 [177.99.128.35] [1563022251] [API] [KalturaFrontController->errorHandler] WARN: /opt/kaltura/app/infra/db/KalturaPDO.php line 30 - PDO::__construct(): Server sent charset (0) unknown to the client. Please, report to the developers
2013-06-14 12:17:36 [177.99.128.35] [1563022251] [API] [KalturaFrontController->getExceptionObject] CRIT: exception 'Exception' with message 'Failed to connect to any Sphinx config' in /opt/kaltura/app/infra/db/DbManager.php:157
Stack trace:
#0 /opt/kaltura/app/plugins/sphinx_search/lib/SphinxCriteria.php(169): DbManager::getSphinxConnection()
#1 /opt/kaltura/app/plugins/sphinx_search/lib/SphinxCriteria.php(359): SphinxCriteria->executeSphinx('kaltura_entry', 'WHERE display_i...', 'ORDER BY create...', 50, 1000, true, '')
#2 /opt/kaltura/app/alpha/lib/model/entryPeer.php(449): SphinxCriteria->applyFilters()
#3 /opt/kaltura/app/api_v3/lib/KalturaEntryService.php(883): entryPeer::doSelect(Object(SphinxEntryCriteria))
#4 /opt/kaltura/app/api_v3/services/BaseEntryService.php(441): KalturaEntryService->listEntriesByFilter(Object(KalturaMediaEntryFilter), Object(KalturaFilterPager))
#5 [internal function]: BaseEntryService->listAction(Object(KalturaMediaEntryFilter), Object(KalturaFilterPager))
#6 /opt/kaltura/app/api_v3/lib/KalturaServiceReflector.php(293): call_user_func_array(Array, Array)
#7 /opt/kaltura/app/api_v3/lib/KalturaDispatcher.php(85): KalturaServiceReflector->invoke('list', Array)
#8 /opt/kaltura/app/api_v3/lib/KalturaFrontController.php(97): KalturaDispatcher->dispatch('baseentry', 'list', Array)
#9 /opt/kaltura/app/api_v3/web/index.php(19): KalturaFrontController->run()
#10 {main}
2

This file does not exist.

[root@kaltura configurations]# pwd
/opt/kaltura/app/configurations
[root@kaltura configurations]# ls -la
total 24
drwxrwx— 6 apache apache 4096 Jun 14 18:34 .
drwxrwx— 23 apache apache 4096 Jun 14 18:34 …
drwxrwx— 2 apache apache 4096 Jun 14 18:34 apache
drwxrwx— 2 apache apache 4096 Jun 14 18:34 logrotate
drwxrwx— 2 apache apache 4096 Jun 14 19:18 sphinx
drwxrwx— 2 apache apache 4096 Jun 14 18:34 syslog