Hello,I have been following this guide:
Hi @Anonymous ,
Could you please share a bit more about your issue?
Do you face the issue when you insert a Sub-Grid into your Entity form? Could you please show more details about it?
I have made a test on my side already, and don't have the issue that you mentioned. Please check the following sample configuration or blog for more details:
Please consider take a try with above solution, check if the issue is fixed.
see if this helps: https://www.youtube.com/watch?v=Scr-8ELjRlI
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