Run completed with errors notification

[Garbage_Collector]

Or you could try to send empty lists to the nodes in question like described here:

Stop node from putting out an error message with a deliberate wrong input

@MVE1112 Supplying an Empty List works most of the time [image] On a second note, I’m not sure if it’s a good idea to use an if node when you have a mismatch in length of lists (True input has 18 elements vs. False only has “fout”). I would suggest using something like this instead: [image]