I get this error message very often. Is there any problem to my site because of this? What I should do?

#0 /home/ladiedmx/public_html/ow_core/database.php(305): PDOStatement->execute()
#1 /home/ladiedmx/public_html/ow_core/database.php(339): OW_Database->execute('SELECT * FROM o...', Array)
#2 /home/ladiedmx/public_html/ow_core/base_dao.php(60): OW_Database->queryForObject('SELECT * FROM o...', 'BOL_User', Array)
#3 /home/ladiedmx/public_html/ow_system_plugins/base/bol/user_dao.php(98): OW_BaseDao->findById('1')
#4 /home/ladiedmx/public_html/ow_system_plugins/base/bol/user_service.php(152): BOL_UserDao->findById(1)
#5 /home/ladiedmx/public_html/ow_core/user.php(52): BOL_UserService->findUserById(1)
#6 /home/ladiedmx/public_html/ow_core/user.php(40): OW_User->__construct()
#7 /home/ladiedmx/public_html/ow_core/ow.php(80): OW_User::getInstance()
#8 /home/ladiedmx/public_html/ow_core/application.php(706): OW::getUser()
#9 /home/ladiedmx/public_html/ow_core/application.php(102): OW_Application->userAutoLogin()
#10 /home/ladiedmx/public_html/index.php(43): OW_Application->init()
#11 {main}