500's from conversation endpoint even on new chats

All existing and new conversations with ChatGPT4 return a 500, screen just says “Hmm…something seems to have gone wrong.”

Is it down for everyone else?

GPT3 works fine.

I have encountered the same error today. Only for GPT 4. GPT 3.5 is working fine. If I send an image to GPT 4 the conversation is working good. Strange things.