[Error] can't perform kext scan: no kext summary

I've just install Yosemite and it was successful with no error. but then I follow this guild to update to Sierra, it occured this error. (I've tried every flag but the result still is error) // The image attached below

The guild I follow to upgrade to Sierra:
https://www.tonymacx86.com/threads/direct-update-to-macos-sierra-using-clover.201465/

Then I tried to Install Sierra from this tutorial the the result is still the same error:...

[Error] can't perform kext scan: no kext summary