Alsiesta

I also tried to increase the memory with set NODE_OPTIONS=--max-old-space-size=8192 but it didn't help

Yes I finally realized that citations can be activated, if I set the CONVERSATION_FLOW=byod But that is not abvious. The markdown doc. https://github.com/Azure-Samples/chat-with-your-data-solution-accelerator/blob/main/docs%2Fconversation_flow_options.md doesn't even mention, that this will enable...

Short answer: I don't see any citations when CONVERSATION_FLOW is set to 'custom'. I found out by chance, that when CONVERSATION_FLOW is set to 'byod' only I do see them...