following tonymacs new guide having issues with dsdt edits get following message
/Users/admin/Library/Application Support/EvOSoftware/DSDT/DSDTFiles/dsdt.dsl 351: If (\_SB.PCI0.IGD0.GSSE)
Error 4064 - Object does not exist ^ (\_SB.PCI0.IGD0.GSSE)
/Users/admin/Library/Application Support/EvOSoftware/DSDT/DSDTFiles/dsdt.dsl 353: \_SB.PCI0.IGD0.OPRN ()
Error 4064 - Object does not exist ^ (\_SB.PCI0.IGD0.OPRN)
ASL Input: /Users/admin/Library/Application Support/EvOSoftware/DSDT/DSDTFiles/dsdt.dsl - 5947 lines, 194809 bytes, 2119 keywords
Compilation complete. 2 Errors, 0 Warnings, 0 Remarks, 25 Optimizations