pads2005导入网表错误

打开一个示例的pcb文件，然后导出 .asc文件，然后再导入此 文件，就会出现一堆错误 如下：
Reading file --F:pads ProjectsSamplestest.asc
Bad Lines item type name
D6970 BOARD-625 8751
*Bad *LINES* ascii data line format
CLOSED 11100
4
*Bad *LINES* ascii data line format
00
2
*Bad *LINES* ascii data line format
3500
2
*Bad *LINES* ascii data line format
350-1050
2
*Bad *LINES* ascii data line format
2425 -1050
2
*Bad *LINES* ascii data line format
2425 1600
2
*Bad *LINES* ascii data line format
2275 1600
2
*Bad *LINES* ascii data line format
2275 1725
*Bad *PARTDECAL* ascii data line format
-50250
*Bad *PARTDECAL* ascii data line format
-50175
*Bad *PARTDECAL* ascii data line format
0175
*Bad *PARTDECAL* ascii data line format
0125
*Bad *PARTDECAL* ascii data line format
-50125
*Bad *PARTDECAL* ascii data line format
-5050
*Bad lines piece data line format VALUE 220 175 0.0001 100 10 N LEFT DOWN
REGULAR
*Bad *PARTDECAL* ascii data line format
REF.DES.