Thanks for your tips. I've tried a bit more. It really is a very strange situation. Basically the copy function works, but not for this particular table (see pdf, red). I have detached this table (see pdf, green) and then I can copy the summary table routine. As soon as I copy a routine to the "red" table, I can no longer copy it. To summarise, I can say that the red table (which is exactly the same as the green table) does not allow the routines to be copied any further.
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