Adding a checkbox to a table

Hello everyone

I am trying to add a checkbox to a table and then set its name and check it. I manage to add it but when I try to use the checkbox I get "Object variable or with block variable not set"

I use vba in excel to create a word document and manipulate it

The relevant code is this:

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I tried changing the with block to

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But then I get "Method or data member not found" error.

What am I doing wrong?

Thanks in advance