ＰＡＤＳ中allegro转PADS问题

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
E- Cannot open script file; 'C:/Documents.scr' does not exist.
Error: Techfile conversion failed！
Deleting Existing Classes File
Deleting Existing Props File
Deleting Existing Board Items File
Exporting Electrical Constraints...
extracting device files
Error: create_devices command failed！
extracting Net Properties
Loading axlcore.cxt
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