AutoCAD installer doesn't recognize my installed programs

[Anonymous]

I am having an issue trying to install Autodesk AutoCAD Plant 3D 2019 object enabler on my computer. I am getting the erorr

"To install the Autodesk AutoCAD 3D 2018 object Enabler, you must have an AutoCAD based product installed on your system.

Supported products can be found in Readme File"

The problem is I have multiple versions 2016,2017,2018 & 2019. See photo

Why am I getting this error and how do I fix it so I can download the enabler.

[pendean]

You are posting in the LT forum: the enabler may not be LT compatible since it is not listed

[leowarren34]

You need the full AutoCAD hence it will say AutoCAD not found as LT is different.