Hi,
I have this error on my site : 

Message:SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '27886598' for key 1File:/home/pedromen/public_html/ow_core/database.phpLine:311Trace:#0 /home/pedromen/public_html/ow_core/database.php(311): PDOStatement->execute() #1 /home/pedromen/public_html/ow_core/database.php(420): OW_Database->execute('INSERT INTO `ow...', Array) #2 /home/pedromen/public_html/ow_core/database.php(457): OW_Database->insert('INSERT INTO `ow...', Array) #3 /home/pedromen/public_html/ow_core/base_dao.php(209): OW_Database->insertObject('ow_base_theme_c...', Object(BOL_ThemeControl)) #4 /home/pedromen/public_html/ow_system_plugins/base/bol/theme_service.php(364): OW_BaseDao->save(Object(BOL_ThemeControl)) #5 /home/pedromen/public_html/ow_system_plugins/base/bol/theme_service.php(292): BOL_ThemeService->processTheme(4106) #6 /home/pedromen/public_html/ow_core/theme_manager.php(69): BOL_ThemeService->processAllThemes() #7 /home/pedromen/public_html/ow_core/theme_manager.php(93): OW_ThemeManager->__construct() #8 /home/pedromen/public_html/ow_core/ow.php(195): OW_ThemeManager::getInstance() #9 /home/pedromen/public_html/ow_core/application.php(113): OW::getThemeManager() #10 /home/pedromen/public_html/index.php(43): OW_Application->init() #11 {main}Type:PDOException