导入网表时的问题，求高手帮助

显示如下内容：
------ Directives ------

RIPUP_ETCH FALSE;
RIPUP_SYMBOLS ALWAYS;
Missing symbol has error FALSE;
SCHEMATIC_DIRECTORY 'D:/Program Files/Cadence/adu_examples/all';
BOARD_DIRECTORY '';
OLD_BOARD_NAME 'D:/Program Files/Cadence/adu_examples/all/allegro/all.brd';
NEW_BOARD_NAME 'D:/Program Files/Cadence/adu_examples/all/allegro/all.brd';

CmdLine: netrev -$ -i D:/Program Files/Cadence/adu_examples/all -y 1 D:/Program Files/Cadence/adu_examples/all/allegro/#Taaaaaa04596.tmp

------ Preparing to read pst files ------


#1 ERROR(24) File not found
Packager files not found

#2 ERROR(102) Run stopped because errors were detected

netrev run on Jan 28 16:08:59 2011

COMPILE 'logic'
CHECK_PIN_NAMES OFF
CROSS_REFERENCE OFF
FEEDBACK OFF
INCREMENTAL OFF
INTERFACE_TYPE PHYSICAL
MAX_ERRORS 500
MERGE_MINIMUM 5
NET_NAME_CHARS '#%&()*+-./:=>?@[]^_`|'
NET_NAME_LENGTH 24
OVERSIGHTS ON
REPLACE_CHECK OFF
SINGLE_NODE_NETS ON
SPLIT_MINIMUM 0
SUPPRESS 20
WARNINGS ON

2 errors detected
No oversight detected
No warning detected

cpu time 0:00:39
elapsed time 0:00:00


不知道是什么情况