problem with dataobject class

I've installed Pear with easyPhp 1.7 (php 4.3.3). I use Db_dataobject class an i've plenty off notices : Notice: Constant DB_DATAOBJECT_INT already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 100 Notice: Constant DB_DATAOBJECT_STR already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 101 Notice: Constant DB_DATAOBJECT_DATE already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 103 Notice: Constant DB_DATAOBJECT_TIME already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 104 Notice: Constant DB_DATAOBJECT_BOOL already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 105 Notice: Constant DB_DATAOBJECT_TXT already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 106 Notice: Constant DB_DATAOBJECT_BLOB already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 107 Notice: Constant DB_DATAOBJECT_NOTNULL already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 110 Notice: Constant DB_DATAOBJECT_MYSQLTIMESTAMP already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 111 Notice: Constant DB_DATAOBJECT_ERROR_INVALIDARGS already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 125 Notice: Constant DB_DATAOBJECT_ERROR_NODATA already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 126 Notice: Constant DB_DATAOBJECT_ERROR_INVALIDCONFIG already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 127 Notice: Constant DB_DATAOBJECT_ERROR_NOCLASS already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 128 Notice: Constant DB_DATAOBJECT_ERROR_NOTSUPPORTED already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 129 Notice: Constant DB_DATAOBJECT_ERROR_INVALID_CALL already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 130 Notice: Constant DB_DATAOBJECT_WHEREADD_ONLY already defined in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 136 Fatal error: Cannot redeclare class db_dataobject_overload in C:\Program Files\EasyPHP1-7\php\pear\pear\DB\DataObject.php on line 188