# Ray.rllib.agents.ppo missing

**URL:** <https://discuss.ray.io/t/ray-rllib-agents-ppo-missing/9904>\
**Category:** RLlib\
**Created:** [March 27, 2023, 3:04am UTC](https://discuss.ray.io/t/ray-rllib-agents-ppo-missing/9904 "2023-03-27T03:04:43Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Denys\_Ashikhin](https://sea2.discourse-cdn.com/flex020/user_avatar/discuss.ray.io/denys_ashikhin/32/58_2.png) [@Denys\_Ashikhin](https://discuss.ray.io/u/Denys_Ashikhin)\
**Post date:** [March 27, 2023, 2:04pm UTC](https://discuss.ray.io/t/ray-rllib-agents-ppo-missing/9904/4 "2023-03-27T14:04:51Z")

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That helped, but I’m getting another issue - opened a new thread since it’s seems not related?

> [@ValueError: Policies using the new Connector API do not support ExternalEnv](https://discuss.ray.io/t/valueerror-policies-using-the-new-connector-api-do-not-support-externalenv/9910):
>
> How severe does this issue affect your experience of using Ray? High: It blocks me to complete my task. Hi all, I am trying to use the police\_server + policy\_client setup but I’m getting the following error: File "C:\personal\ai\ray\_venv\lib\site-packages\ray\rllib\env\policy\_server\_input.py", line 238, in do\_POST response = self.execute\_command(parsed\_input) File "C:\personal\ai\ray\_venv\lib\site-packages\ray\rllib\env\policy\_server\_input.py", line 267, in execute\_command setu…

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