[FUG-BR] cacti Erro

[Gelsimauro Batista dos Santos]

Instalei o cacti no freebsd 8.1 e quando tendo acessar aparece o erro
abaixa:
alguem pode me ajudar?

Array ( [0] => stdClass [1] => Exception [2] => ErrorException [3] =>
Closure [4] => DateTime [5] => DateTimeZone [6] => DateInterval [7] =>
DatePeriod [8] => LibXMLError [9] => ReflectionException [10] => Reflection
[11] => ReflectionFunctionAbstract [12] => ReflectionFunction [13] =>
ReflectionParameter [14] => ReflectionMethod [15] => ReflectionClass [16] =>
ReflectionObject [17] => ReflectionProperty [18] => ReflectionExtension [19]
=> LogicException [20] => BadFunctionCallException [21] =>
BadMethodCallException [22] => DomainException [23] =>
InvalidArgumentException [24] => LengthException [25] => OutOfRangeException
[26] => RuntimeException [27] => OutOfBoundsException [28] =>
OverflowException [29] => RangeException [30] => UnderflowException [31] =>
UnexpectedValueException [32] => RecursiveIteratorIterator [33] =>
IteratorIterator [34] => FilterIterator [35] => RecursiveFilterIterator [36]
=> ParentIterator [37] => LimitIterator [38] => CachingIterator [39] =>
RecursiveCachingIterator [40] => NoRewindIterator [41] => AppendIterator
[42] => InfiniteIterator [43] => RegexIterator [44] =>
RecursiveRegexIterator [45] => EmptyIterator [46] => RecursiveTreeIterator
[47] => ArrayObject [48] => ArrayIterator [49] => RecursiveArrayIterator
[50] => SplFileInfo [51] => DirectoryIterator [52] => FilesystemIterator
[53] => RecursiveDirectoryIterator [54] => GlobIterator [55] =>
SplFileObject [56] => SplTempFileObject [57] => SplDoublyLinkedList [58] =>
SplQueue [59] => SplStack [60] => SplHeap [61] => SplMinHeap [62] =>
SplMaxHeap [63] => SplPriorityQueue [64] => SplFixedArray [65] =>
SplObjectStorage [66] => MultipleIterator [67] => __PHP_Incomplete_Class
[68] => php_user_filter [69] => Directory [70] => PDFlibException [71] =>
PDFlib [72] => ZipArchive [73] => mysqli_sql_exception [74] => mysqli_driver
[75] => mysqli [76] => mysqli_warning [77] => mysqli_result [78] =>
mysqli_stmt [79] => ADOFieldObject [80] => ADOConnection [81] => ADOFetchObj
[82] => ADORecordSet_empty [83] => ADODB_Iterator [84] => ADODB_BASE_RS [85]
=> ADORecordSet [86] => ADORecordSet_array [87] => ADODB_mysql [88] =>
ADORecordSet_mysql [89] => ADORecordSet_ext_mysql ) Syntax error in file:
/usr/local/share/cacti/lib/adodb/drivers/adodb-pollynet.inc.php

ADONewConnection: Unable to load database driver ''