I used the Copy/Monitor tool in Revit 2011 to bring our structural consultant's gridlines into our architectural model and it worked great. Sometime between now and then, someone in our office has deleted some of the gridlines and when I try to Copy/Monitor the gridlines again it tells me that the gridlines have already been copied and that I need to stop monitoring them. However, I can't stop monitoring them because they have been deleted. Our structural consultant has run the Monitor tool but can't bring back the deleted gridlines.
Does anyone know how to stop monitoring all of the gridlines so that I can run the Copy/Monitor tool again to get all of the gridlines back in our model.
Thanks for the help!