Make one loop in another loop

Hi everyone !

i’m new as a knime user and i’m facing a little problem. I would like to make a loop inside another loop but when i’m testing this, the second loop start stop at one iteration.
This is a picture of my workflow.

My objective is to do like a double loop for in programming language but on knime.

Thank you for your help !


Hi Adrien,

the solution should be putting another “Loop End” after the first Loop End “Node 6”.
Each loop has to have a specific loop end node.

So, two open loops have to be closed by 2 loop ends.

Hope, this helps,


Ho yes indeed ! i missunderstood the “loop end” node system.
Thank you Tommy !


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