我的Allegro不能扇出

我装的是15.2
选择Route->Fanout By Pick后，还没点击器件，即出现错误提示框：

specctra.log文件如下（XX是我换的）：
#
# ===============================================================================
# Allegro PCB Router
# Copyright 1990-2000 Cadence Design Systems, Inc. All Rights Reserved.
# ===============================================================================
#
# Software licensed for sale by Cadence Design Systems, Inc.
# Current time = Wed May 09 16:44:40 2007
#
# Allegro PCB Router V15.2 made 2006/02/03 at 10:28:46
# Running on: XXX, OS Version: WindowsNT 5.1.2600, Architecture: Intel Pentium II
# Licensing: The program will not obey any unlicensed rules
# <<ERROR:>> Unrecognized argument: XXXXXXXX\PRJ\ALLEGRO\placed.dsn
# No graphics will be displayed.
# Design Name XXXXX_placed2480_2\design
# Batch File Name: pasde.do
# Startup: File Not Found : XXXXX_placed2480_2\design