Hello Jurgen, 

Thank you for requesting a response from Support Staff.   Have you tried the suggestion provided by Raymond Chan?  

If not, what version are you using and what step of this are you getting stuck at?  The GUI may be different but the principal is the same.

Regards,

Yes.  See attached screenshots below for a custom data  "Count1" :

Hi Ramond,

thanks for your answer. That's exactly what I tried. My custom data wasn't available in the column list. Now I can choose my custom data. Very strange. Typical IT: You have to be happy when the problem is gone and do not ask for the reason ;)

Thanks for you help.