hehehe @ipazin , Scott is usually busy or sometimes looks into it and replies once he has the information. Or simply that my side node was a bit lost in all that reply.
Thank you for looking into it, and I tried the “initialization” process suggested in the thread and it worked.
It’s rare that I use dynamic values with the Constant Value Column, or if I did, they were probably strings.
Come to think of it, a lot of the nodes in Knime kind of behave that way where you have to have some dummy values set originally to be able to assign a variable.
One more thing I learned, thanks again 