Hi Vicky,
I am trying the same in assign 3.2.0 on Windows. I set the experiment and I still get the same message.
Here are my settings for the spectrum I am trying to run the macro on:
but I still get:
Any ideas why this is not working? Would the fact that I don’t have a standard chain defined (only NMRChains) matter (that is because this is something with nonstandard residues and I still did not manage create custom chains successfully)?
Thanks,
Józef