PowerPoint add text to slide: the specified value is out of range

[E.T.S]

Hello,

I am using a add text to slide activity, however I am getting the error that the specified value is out of range:

This is where I would like to add my text, as you can see the shape is called Table 8

This is how I have configured the activity:

And this is the error I am getting:

Anyone know how to overcome this?