nested loop loop ends getting stuck in "queued"

Hello, I have a two-level, nested loop that works when I have a GroupBy node between the loop end nodes but gets hung-up when I remove the GroupBy node between the ends. Has anyone else had this problem?

Thanks!
Bea

Hi @beahyu,

GroupBy stuck between Loop End nodes? How big is data you are processing? Does it get stuck after first iteration of outer loop or in some later iteration? Can you create workflow example where this behavior can be seen?

Br,
Ivan