SQLSTATE[01002] Adaptive Server connection failed (10.210.22.96) (severity 9)

Fatal error:  Uncaught exception 'PDOException' with message 'SQLSTATE[01002] Adaptive Server connection failed (10.210.22.96) (severity 9)' in /home/futebolcard-homologa/eventos-wshomologa/library/Zend/Db/Adapter/Pdo/Abstract.php:129
Stack trace:
#0 /home/futebolcard-homologa/eventos-wshomologa/library/Zend/Db/Adapter/Pdo/Abstract.php(129): PDO->__construct('dblib:host=10.2...', 'usr_app_homolog...', '9uEc552gnbvr5iY...', Array)
#1 /home/futebolcard-homologa/eventos-wshomologa/library/Zend/Db/Adapter/Pdo/Dblib.php(137): Zend_Db_Adapter_Pdo_Abstract->_connect()
#2 /home/futebolcard-homologa/eventos-wshomologa/library/Zend/Db/Adapter/Abstract.php(460): Zend_Db_Adapter_Pdo_Dblib->_connect()
#3 /home/futebolcard-homologa/eventos-wshomologa/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('exec sp_columns...', Array)
#4 /home/futebolcard-homologa/eventos-wshomologa/library/Zend/Db/Adapter/Pdo/Dblib.php(237): Zend_Db_Adapter_Pdo_Abstract->query('exec sp_columns...')
#5 /home/futebolcard-homologa/ev in /home/futebolcard-homologa/eventos-wshomologa/library/Zend/Db/Adapter/Pdo/Abstract.php on line 144