I have sorted this problem out and thanks "LINK" for the answer.
You cant edit the detail marker boundary line unless the marker range is active .
editing your detail boundary by going to View> On-Screen View Options> Marker Range and make sure it is indented.
Richard
Richard Wilden Design. Ltd
Dunedin, New Zealand.
Imac 27" i9 3.6GHz; 32GB Ram Mac OS 11.3
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