ont he following page http://172.25.17.82/zabbix/items.php i click on the clear history button next to keep history text box i get the following error after about 15 secs.

db2_prepare(): AUTOCOMMIT connection attribute can only be set on connection resources [include/db.inc.php:476]
db2_prepare(): AUTOCOMMIT connection attribute can only be set on connection resources [include/db.inc.php:476]
db2_prepare(): AUTOCOMMIT connection attribute can only be set on connection resources [include/db.inc.php:476]
db2_prepare(): AUTOCOMMIT connection attribute can only be set on connection resources [include/db.inc.php:476]