Macos 创建可引导Mac OS安装程序时出错

我正在学习如何创建可引导安装程序Apple指南：

但当我执行时，它会给我一个错误

sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/disco

这让我明白：

dyld: Library not loaded: @executable_path/../Frameworks/IAESD.framework/Versions/A/IAESD
  Referenced from: /Applications/Install macOS Catalina.app/Contents/Resources/createinstallmedia
  Reason: no suitable image found.  Did find:
    /Applications/Install macOS Catalina.app/Contents/Resources/../Frameworks/IAESD.framework/Versions/A/IAESD: mmap() error 1 at address=0x103C4F000, size=0x00006000 segment=__TEXT in Segment::map() mapping /Applications/Install macOS Catalina.app/Contents/Resources/../Frameworks/IAESD.framework/Versions/A/IAESD
    /Applications/Install macOS Catalina.app/Contents/Resources/../Frameworks/IAESD.framework/Versions/A/IAESD: mmap() error 1 at address=0x103C65000, size=0x00006000 segment=__TEXT in Segment::map() mapping /Applications/Install macOS Catalina.app/Contents/Resources/../Frameworks/IAESD.framework/Versions/A/IAESD
ADMINs-MBP-2:~ ADMIN$ 

我的操作系统：

约塞米蒂 版本10.10.5

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它是Macbook Pro 2015。是的，它是一个1TB的外部硬盘，Mac OS扩展格式化

你的Mac电脑是哪一年的？还有两件事。。。您的闪存驱动器超过12GB？格式为Mac OS ExtendsIt是Macbook Pro 2015。是的，它是一个1TB的外部硬盘，Mac OS扩展格式化如果你添加

--applicationpath/Applications/Install\macOS\Catalina.app

，它能工作吗？