SE PRODUJO UNA EXCEPCIÓN

Mysqli statement execute error : Lost connection to MySQL server during query
Pila de eventos:
#0 /home/librofi/library/Zend/Db/Statement.php(300): Zend_Db_Statement_Mysqli->_execute(Array)
#1 /home/librofi/library/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#2 /home/librofi/application/bootstrap.php(209): Zend_Db_Adapter_Abstract->query('SET NAMES 'utf8...')
#3 /home/librofi/application/bootstrap.php(56): Bootstrap::setupDatabase()
#4 /home/librofi/application/bootstrap.php(24): Bootstrap::prepare()
#5 /home/librofi/public_html/index.php(18): Bootstrap::run()
#6 {main}