ＰＡＤＳ中allegro转PADS问题请教

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使用ＰＡＤＳ中allegro转PADS方法总是不成功，如下错误提示。请教各位大侠是否知道如何解
% `; B) E/ }7 u) z7 h3 S
E- Cannot open script file; 'C:/Documents.scr' does not exist.
/ K% i+ P& ]  i3 ~Error: Techfile conversion failed!
' h$ K$ N7 s' q2 I% m7 sDeleting Existing Classes File
6 \" o" a. B0 x. VDeleting Existing Props File
Deleting Existing Board Items File
$ b0 A' ]  Q- E4 Y/ [  I. TExporting Electrical Constraints...
& X( {* W$ A4 i" U! ]! oextracting device files
3 o; o0 n+ e+ Q5 V$ F5 v2 rError: create_devices command failed!
$ M3 E+ u4 v/ Q; w0 `0 r1 iextracting Net Properties
" H) D6 _8 p! ^Loading axlcore.cxt
4 b9 v. C0 h% _E- Cannot open script file; 'C:/Documents.scr' does not exist.
E- *Error* get/getq: first arg must be either symbol, list, defstruct or user type - 0
谢谢指教