How to remove this firmware error (ACPI)

I got some errors in maciasl dsdt couldnot resolve symbols

// Firmware Error (ACPI): Could not resolve symbol [^GFX0.CLID], AE_NOT_FOUND (20200925/dswload-495)

// Firmware Error (ACPI): Could not resolve symbol [^^WMID.FEBC], AE_NOT_FOUND (20200925/dswload-495)

// Firmware Error (ACPI): Could not resolve symbol [^GFX0.CLID], AE_NOT_FOUND (20200925/dswload2-480)

// Firmware Error (ACPI): Could not resolve symbol [^^WMID.FEBC], AE_NOT_FOUND (20200925/dswload2-480)

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