Run Time Error 5844

[HTSCF Fareha]

I've experimented with skipping on errors here

For Each oCC In ActiveDocument.ContentControls
            Set oRng = oCC.Range
            On Error Resume Next
            Select Case oCC.Title

Okay, so if there is an error with TextBox4 it keeps going leaving the area of the form blank. This is expected, but highlights the error. But interestingly, it would appear that ocasionally TextBox8 has the same issue. I've not had any of the other TextBoxes throw up an error.