Capture Link - Edit doesn't work

Hello,

I created a capture link for a field in form. It works great and I can select and show values in the mainform field. See attachement.
I just have one problem, I miss edit pencil in the grid to edit some vlaues in case its needed.

If I open this grid as application link I see the edit pencil.

Can someone help me.

Cheers
Stefan

main_form.PNG