Running Ansible in Packer Windows_Update Error

Hi,

I have ansible doing application installs and everything else (Ie must be running in admin) i want from a packer build, but when it comes to running a ansible win_update it errors out with:

TASK [Install all security, critical, and rollup updates] **********************
amazon-ebs: An exception occurred during task execution. To see the full traceback, use -vvv. The error was: KeyError: ‘runas’
amazon-ebs: fatal: [default]: FAILED! => {“msg”: “Unexpected failure during module execution.”, “stdout”: “”}

Ansible file: