[Dell Inspiron 15 7559] Weird ACPI Errors: AE_BAD_PARAMETER

Hi, so I've been following this guide and it's been going smoothly until, I got to the 7a) part. After installing the kexts to /Library/Extensions, I rebooted my laptop and now I'm getting those errors preventing me from booting.

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https://i.redd.it/sgeykyah6hq21.png

Thanks for helping.