This is weird, but I followed the step mods procedure for installing and activating as an executable, and it actually worked sorta. It crashed right after it finished.
New Engine Log:
WARN : Engine > Folder mod > Parse Info > eedwbf Already Exists > SKIPPED
WARN : Engine > Folder mod > Parse Info > ussep Already Exists > SKIPPED
WARN : Engine > Folder mod > Parse Info > xpmse Already Exists > SKIPPED
WARN : Engine > Folder mod > Parse Info > pandora Already Exists > SKIPPED
WARN : Engine > Folder mod > Parse Info > eedwbf Already Exists > SKIPPED
WARN : Engine > Folder mod > Parse Info > ussep Already Exists > SKIPPED
WARN : Engine > Folder mod > Parse Info > xpmse Already Exists > SKIPPED
WARN : Engine > Folder mod > Parse Info > pandora Already Exists > SKIPPED
INFO : Launching with configuration Skyrim SE/AE
INFO : Launching with patcher version 2.6.0-beta
INFO : Skyrim Patcher 2.6.0-beta
WARN : Dispatcher > "Pandora Base" > dragonproject~dragonbehavior > Replace > Element > #0885/legs/Element0/maxAnkleHeightMS > FAILED
WARN : Dispatcher > "Pandora Base" > dragonproject~dragonbehavior > Replace > Element > #0885/legs/Element0/hipIndex > FAILED
WARN : Dispatcher > "Pandora Base" > dragonproject~dragonbehavior > Replace > Element > #0885/legs/Element0/kneeIndex > FAILED
WARN : Dispatcher > "Pandora Base" > dragonproject~dragonbehavior > Replace > Element > #0885/legs/Element0/ankleIndex > FAILED
WARN : Dispatcher > "Pandora Base" > dragonproject~dragonbehavior > Replace > Element > #0885/legs/Element0/isPlantedMS > FAILED
ERROR : FNIS Parser > Scan > Failed > One or more errors occurred. (Object reference not set to an instance of an object.)
INFO : Engine launched with configuration: Skyrim SE/AE. Do not exit before the launch is finished.
INFO : Pandora Mod 1 : Pandora Base - v.1.0.0