DMAR patching

I drop DMAR with OpenCore and patched my DMAR, but when I enable DMAR patch the computer Kernel panics at boot.

I remove DMAR with this:

I remove below and save it as SSDT-DMAR.aml and add it to SSDT-patches in OpenCore. But it goes KP. Should I remove more or less, anything else in there? I attach the file to this post.