Add Data Column show error as already belong to another datatable

[ppr (Peter Preuss)]

As mentioned by @supermanPunch
a datacolumn from one datatable cannot be used for an direct addition to another datatable.
And this is the reason why the error is shown.

As an alternate you can do (Create Datacol, and transfer settings from other datacolumn)
Variables

Flow:

it also depends on your scenario details. We get also compact flows we clone datatable and a further datacolumn structre modification