导网表出现错误，请指导！

出现如下提示

esign Systems, Inc. netrev 15.5 Fri Jan 19 17:18:03 2007
(C) Copyright 2002 Cadence Design Systems, Inc.

------ Directives ------

RIPUP_ETCH FALSE;
RIPUP_SYMBOLS ALWAYS;
MISSING SYMBOL AS ERROR FALSE;
SCHEMATIC_DIRECTORY 'E:\brd\mpu\worklib\micronodeB\packaged';
BOARD_DIRECTORY '';
OLD_BOARD_NAME 'E:/brd/mpu/worklib/micronodeB/physical/MPU_CPIT7.821.075_V1.2.brd';
NEW_BOARD_NAME 'MPU_CPIT7.821.075_V1.3.brd';

CmdLine: netrev -proj E:\brd\mpu\/micronodeB.cpm -5 -y 1 -O E:\brd\mpu\worklib\micronodeB\physical\MPU_CPIT7.821.075_V1.2.brd E:\brd\mpu\worklib\micronodeB\physical\MPU_CPIT7.821.075_V1.3.brd -$

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

Starting to read E:/brd/mpu/worklib/micronodeB/packaged/pstchip.dat
   Finished reading E:/brd/mpu/worklib/micronodeB/packaged/pstchip.dat (00:00:00.51)
Starting to read E:/brd/mpu/worklib/micronodeB/packaged/pstxprt.dat
   Finished reading E:/brd/mpu/worklib/micronodeB/packaged/pstxprt.dat (00:00:00.67)
Starting to read E:/brd/mpu/worklib/micronodeB/packaged/pstxnet.dat
   Finished reading E:/brd/mpu/worklib/micronodeB/packaged/pstxnet.dat (00:00:00.78)

------ Oversights/Warnings/Errors ------

#1   ERROR(300) Net Rev fatal error detected.

Design flow is Constraint Manager enabled, pstcmdb.dat and pstxnet.dat do not appear to be from the same packaging step.

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

netrev run on Jan 19 17:18:03 2007
   DESIGN NAME : 'MICRONODEB'
   PACKAGING ON 19-Jan-2007 AT 17:16:41

   COMPILE 'logic'
   CHECK_PIN_NAMES OFF
   CROSS_REFERENCE OFF
   DIRECTORIES  <none>
   FEEDBACK OFF
   INCREMENTAL OFF
   INTERFACE_TYPE PHYSICAL
   LIBRARIES  'standard' 'micronodeb_lib' 'putian_lib'
   MASTER_LIBRARIES  <none>
   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      0:06:11
elapsed time  0:00:02

还有如何关掉 Elecrtical constraints，谢谢！

有人知道吗?

自己顶！

是不是权限的问题啊，我以前老是遇到这样。

不知道是不是软件问题　.

最好不要用HDL, 用CIS网表第三方导入.