I found a fix that worked for me! Try following these instructions to install in to the python in your project directory instead of the unreal install dir
I really dont know if those are good solutions, but i had the same problem as you and could fix it in two ways(both working on two different win11 machines…) :
Modifiying the train_ppo.py in \Engine\Plugins\Experimental\LearningAgents\Content\Python, by hardcoding the path to the engine site packages
'''
Copyright Epic Games, Inc. All Rights Reserved.
'''
import sys
import os
import time
import json
import socket
import traceback
from collections import OrderedDict
site_packages_path = "{P…