使用Allegro PCB Editor设计PCB，设计完成后，导出光绘文件时，提示如下错误：

        Info: Most likely cause of "Integer value" errors are:
              - (Most likely) Coordinates in the database exceed IPC's coordinate system.
                Try setting the database origin to center the design to reduce the large
                coordinate values.
              - Large pad sizes. Reduce any large pad sizes.

        deepseek搜索，可能原因如下：

        解决方法：

        将用户单位由mm更改为mils，再次导出光绘文件，不再报错。