Empty Table Switch's inactive port breaks loop

[svwb]

Hi there,

I’m encountering an error which I can’t wrap my head around.
I’ve got a workflow (“subworkflow_1”) that uses an empty table switch to basically skip the cell splitter node since it can’t ignore empty tables and thus stops my workflow.
This works just fine as a stand-alone but it breaks a loop that happens in another workflow (“main_workflow”) which I use to loop through several subworkflows, all very similar to “subworkflow_1”.

Console: ERROR Loop End 0:125 Active Scope End node in inactive branch not allowed.
KNIME version: 4.4.2 (compatibility, might change soon but that’s not up to me)
workflow sharing is difficult due to confidentiality

Is this behavior intended? How could I ensure the loop on my main_workflow continues running (AKA ignores the inactive port of the Empty Table Switch node)?

Thanking you in advance!
Simon

[Daniel_Weikert]

Hi have you already tried starting the group loop before the empthy table switch?
br

[svwb]

Hi Daniel,

Thank you for your reply.
Yes, I had found some similar posts on the forum and tried to include the empty table switch inside the loop, but to no avail.

Simon

[svwb]

UPDATE: the issue was completely unrelated to the empty table switch, the configuration of my container output somehow reset. This coincided with the addition of the table switch so I made the false assumption that the error must’ve come from the table switch. Issue is fixed.

Apologies for the confusion and thanks again to Daniel_Weikert for his help!
Kr,
Simon