生成netlist出错

Error: Line 4521 in file f:\gjg\allegro/pstxnet.dat:
   Reference designators inconsistent in xprt and xnet files 
 Detected in function: pstFindInstByOldPathName
Error: Line 4521 in file f:\gjg\allegro/pstxnet.dat:
   Error loading the net list file 
 Detected in function: ddbLoadPstXFiles
#13 Error   [ALG0036] Unable to read logical netlist data.

请各位帮忙看看，怎么回事，急啊！

看不懂.不是专家.呵呵.

从头来过呀.