Hi @dhanarupa … during my weekly office hours, I tried to debug what you were seeing. I confirmed there was an issue specifically with a JavaScript API requesting replay to a non-exclusive queue. But I also figured out that if you request the Replay administratively, it will work.
If you want to watch the video, check: https://www.youtube.com/watch?v=vb2gm0N78Iw&t=1510s (debugging start… might want to fast forward)
https://www.youtube.com/watch?v=vb2gm0N78Iw&t=3620s - admin replay to a non-exclusive queue