使用用Layout2allegro时怎么没有生成brd文件啊？？？？

曳尾鱼

想将protel  中的封装库导入allegro，可是用Layout2allegro时没有生成brd文件，请问这是为什么？？？谢谢啦
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曳尾鱼

问题补充：在转化完成后出现“LayoutToAllegro   Version 10.2.0
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WARNING (LayoutToAllegro), Netname 'DEFAULT' was discarded because it is not used by any component pad

ERROR (LayoutToAllegro), Error closing the Allegro database.
2 @: _, a# u4 ]! X Creating independent data.

: [+ D4 v+ b: HNetlist Warnings and Errors recorded in 'C:\temp\netin.log':
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- d9 L& L) K  Z; E' h% CTranslate time 0 seconds”

- L8 q- v7 }2 d% F1 \但是没有brd文件出现