Syntax error unexpected PARSEOP_DEVICE expecting $end and premature "End of Life"

I used the F4 method to extract my DSDT and used iasl with a refs.txt to disassemble. I'm using MaciASL RM-1.31 (252) with ACP 6.1 and Compiler version 20160422-64 (RM).

As an aside, I'm editing my DSDT to fix an inability to shutdown or reboot since editing my DSDT previously to get USB3 working.

The error occurs in this block:

Device (HDEF)
{
Name (_ADR, 0x001B0000) // _ADR: Address
OperationRegion (HDAR, PCI_Config, 0x4C, 0x10)
Field...

Syntax error unexpected PARSEOP_DEVICE expecting $end and premature "End of Life"