Using an Azure Logic App to post a teams message in a chat with power virtual agent and got this error "Could not retrieve values. The environment name cannot be null or empty"
I already have my chatbot installed in the teams app and can already use it in power automate, but when I try to use inside the logic app the bot does not show
I tried exporting the bot from power automate to logic app but didn't work

AFAIK, and I feel this is a bug in Azure Logic apps and I have raised a GitHub Ticket.
I have done the same way as you have and got Flow bot , User but not with Power Virtual Agents as you have mentioned.
Alternatively I have used Flow Bot and User it worked for me:
Output: