The following error occurred:

exception 'Zend_Db_Statement_Mysqli_Exception' with message 'Mysqli prepare error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LIMIT 1' at line 1' in /var/www/vhosts/redeees.com/httpdocs/library/Zend/Db/Statement/Mysqli.php:84 Stack trace: #0 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Db/Statement.php(109): Zend_Db_Statement_Mysqli->_prepare('SELECT `usuario...') #1 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Db/Adapter/Mysqli.php(343): Zend_Db_Statement->__construct(Object(Zend_Db_Adapter_Mysqli), 'SELECT `usuario...') #2 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Db/Adapter/Abstract.php(429): Zend_Db_Adapter_Mysqli->prepare('SELECT `usuario...') #3 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Db/Table/Abstract.php(1189): Zend_Db_Adapter_Abstract->query(Object(Zend_Db_Table_Select)) #4 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Db/Table/Abstract.php(1086): Zend_Db_Table_Abstract->_fetch(Object(Zend_Db_Table_Select)) #5 /var/www/vhosts/redeees.com/httpdocs/application/default/models/usuario.php(973): Zend_Db_Table_Abstract->fetchRow('id_usuario = ') #6 /var/www/vhosts/redeees.com/httpdocs/application/default/views/scripts/grupo/listaGrupos.phtml(72): Usuario->cargar_datos() #7 /var/www/vhosts/redeees.com/httpdocs/library/Zend/View.php(107): include('/var/www/vhosts...') #8 /var/www/vhosts/redeees.com/httpdocs/library/Zend/View/Abstract.php(787): Zend_View->_run('./application/d...') #9 /var/www/vhosts/redeees.com/httpdocs/library/Zend/View/Helper/Partial.php(99): Zend_View_Abstract->render('grupo/listaGrup...') #10 [internal function]: Zend_View_Helper_Partial->partial('grupo/listaGrup...', Array) #11 /var/www/vhosts/redeees.com/httpdocs/library/Zend/View/Abstract.php(318): call_user_func_array(Array, Array) #12 [internal function]: Zend_View_Abstract->__call('partial', Array) #13 /var/www/vhosts/redeees.com/httpdocs/application/default/views/scripts/grupo/WrapperGrupo.phtml(31): Zend_View->partial('grupo/listaGrup...', Array) #14 /var/www/vhosts/redeees.com/httpdocs/library/Zend/View.php(107): include('/var/www/vhosts...') #15 /var/www/vhosts/redeees.com/httpdocs/library/Zend/View/Abstract.php(787): Zend_View->_run('./application/d...') #16 /var/www/vhosts/redeees.com/httpdocs/application/default/controllers/GrupoController.php(160): Zend_View_Abstract->render('grupo/WrapperGr...') #17 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Controller/Action.php(502): GrupoController->indexAction() #18 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Controller/Dispatcher/Standard.php(293): Zend_Controller_Action->dispatch('indexAction') #19 /var/www/vhosts/redeees.com/httpdocs/library/Zend/Controller/Front.php(946): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #20 /var/www/vhosts/redeees.com/httpdocs/index.php(28): Zend_Controller_Front->dispatch() #21 {main}