Conversation Key Not Found is back today. 
As has been reported here hundreds of times at this point, the situation is:
- Type a prompt and receive a response.
- Type a second prompt and receive the error: “Conversation Keye Not Found.”
For something that is costing me $240 per year, I expect so much better than this. I am so frustrated this and other similar errors keep popping back up despite these hundreds of reports of them. This is getting ridiculous. If I felt there was a suitable alternative to ChatGPT that meets my needs, I’d be switching in a heartbeat. Keeping an eye on Gemini…