expedition gerber output ？

expedition gerber output 输出时，总出现如图示的错误提示，（The default D-code to Aperture file was not found.gerber files cannot be processed without a vaild d-code to aperture file,make sure that the Expedition pcb product has been properly installed）.提示可能安装错误，找不到d-CODE 文件，但我在安装时没有错误，请问该如何解决?谢谢

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你用274X格式吧。